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ovs-vsctl show 61350ac7-bfa7-4360-aa95-f8babd4fb986 Bridge br-tun fail_mode: secure Port br-tun Interface br-tun type: internal Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Bridge br-int fail_mode: secure Port "qvodd3af894-64" tag: 1 Interface "qvodd3af894-64" Port "qr-b5b46007-ee" tag: 1 Interface "qr-b5b46007-ee" type: internal Port "tapc00eaccd-d6" tag: 1 Interface "tapc00eaccd-d6" type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "qvoa3453419-9a" tag: 1 Interface "qvoa3453419-9a" Bridge br-ex Port br-ex Interface br-ex type: internal Port "qg-c248dcd0-50" Interface "qg-c248dcd0-50" type: internal ovs_version: "2.3.1"

ovs-vsctl show show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-int
        fail_mode: secure
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port br-int
            Interface br-int
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "qg-c248dcd0-50"
            Interface "qg-c248dcd0-50"
                type: internal
    ovs_version: "2.3.1"

"2.3.1"

ovs-vsctl show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-int
        fail_mode: secure
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port br-int
            Interface br-int
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "qg-c248dcd0-50"
            Interface "qg-c248dcd0-50"
                type: internal
    ovs_version: "2.3.1"

ifconfig:

[root@localhost ~]# ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.90.254.242  netmask 255.255.255.192  broadcast 10.90.254.255
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 0  (Ethernet)
        RX packets 20448213  bytes 4634278904 (4.3 GiB)
        RX errors 0  dropped 1138669  overruns 0  frame 0
        TX packets 36723  bytes 26086410 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 1000  (Ethernet)
        RX packets 20448216  bytes 4942927813 (4.6 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 36731  bytes 26087058 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 33456929  bytes 4020988356 (3.7 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 33456929  bytes 4020988356 (3.7 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbra3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::5881:64ff:fe72:d48f  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 0  (Ethernet)
        RX packets 387  bytes 15352 (14.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbrdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::d039:c1ff:fe0f:7f32  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 0  (Ethernet)
        RX packets 373  bytes 14384 (14.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvba3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::58f3:c6ff:fef7:4118  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 1000  (Ethernet)
        RX packets 331  bytes 29251 (28.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 381  bytes 28596 (27.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvbdd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::5845:8eff:fec0:b882  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 1000  (Ethernet)
        RX packets 314  bytes 20534 (20.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 228  bytes 14690 (14.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvoa3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::acc7:f0ff:fe47:3e82  prefixlen 64  scopeid 0x20<link>
        ether ae:c7:f0:47:3e:82  txqueuelen 1000  (Ethernet)
        RX packets 381  bytes 28596 (27.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 331  bytes 29251 (28.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvodd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::646d:6cff:fec4:b0ec  prefixlen 64  scopeid 0x20<link>
        ether 66:6d:6c:c4:b0:ec  txqueuelen 1000  (Ethernet)
        RX packets 228  bytes 14690 (14.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 314  bytes 20534 (20.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapa3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:fe74:1912  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:74:19:12  txqueuelen 500  (Ethernet)
        RX packets 154  bytes 15453 (15.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 136  bytes 14583 (14.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:feae:b463  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:ae:b4:63  txqueuelen 500  (Ethernet)
        RX packets 213  bytes 13484 (13.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 273  bytes 15770 (15.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ovs-vsctl show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-int
        fail_mode: secure
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port br-int
            Interface br-int
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "qg-c248dcd0-50"
            Interface "qg-c248dcd0-50"
                type: internal
    ovs_version: "2.3.1"

ifconfig:

[root@localhost ~]# ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.90.254.242 10.x.x.242  netmask 255.255.255.192  broadcast 10.90.254.255
10.x.x.255
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 0  (Ethernet)
        RX packets 20448213  bytes 4634278904 (4.3 GiB)
        RX errors 0  dropped 1138669  overruns 0  frame 0
        TX packets 36723  bytes 26086410 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 1000  (Ethernet)
        RX packets 20448216  bytes 4942927813 (4.6 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 36731  bytes 26087058 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 33456929  bytes 4020988356 (3.7 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 33456929  bytes 4020988356 (3.7 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbra3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::5881:64ff:fe72:d48f  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 0  (Ethernet)
        RX packets 387  bytes 15352 (14.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbrdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::d039:c1ff:fe0f:7f32  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 0  (Ethernet)
        RX packets 373  bytes 14384 (14.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvba3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::58f3:c6ff:fef7:4118  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 1000  (Ethernet)
        RX packets 331  bytes 29251 (28.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 381  bytes 28596 (27.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvbdd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::5845:8eff:fec0:b882  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 1000  (Ethernet)
        RX packets 314  bytes 20534 (20.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 228  bytes 14690 (14.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvoa3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::acc7:f0ff:fe47:3e82  prefixlen 64  scopeid 0x20<link>
        ether ae:c7:f0:47:3e:82  txqueuelen 1000  (Ethernet)
        RX packets 381  bytes 28596 (27.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 331  bytes 29251 (28.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvodd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::646d:6cff:fec4:b0ec  prefixlen 64  scopeid 0x20<link>
        ether 66:6d:6c:c4:b0:ec  txqueuelen 1000  (Ethernet)
        RX packets 228  bytes 14690 (14.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 314  bytes 20534 (20.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapa3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:fe74:1912  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:74:19:12  txqueuelen 500  (Ethernet)
        RX packets 154  bytes 15453 (15.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 136  bytes 14583 (14.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:feae:b463  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:ae:b4:63  txqueuelen 500  (Ethernet)
        RX packets 213  bytes 13484 (13.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 273  bytes 15770 (15.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ovs-vsctl showcat /etc/neutron/l3_agent.ini | grep -v ^# |grep -v ^$

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-int
        fail_mode: secure
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port br-int
            Interface br-int
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
    Bridge [DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "qg-c248dcd0-50"
            Interface "qg-c248dcd0-50"
                type: internal
    ovs_version: "2.3.1"
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy

ifconfig:cat /etc/neutron/plugins/ml2/ml2_conf.ini | grep -v ^# |grep -v ^$

[root@localhost ~]# ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.x.x.242  netmask 255.255.255.192  broadcast 10.x.x.255
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 0  (Ethernet)
        RX packets 20448213  bytes 4634278904 (4.3 GiB)
        RX errors 0  dropped 1138669  overruns 0  frame 0
        TX packets 36723  bytes 26086410 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::215:5dff:fe01:d250  prefixlen 64  scopeid 0x20<link>
        ether 00:15:5d:01:d2:50  txqueuelen 1000  (Ethernet)
        RX packets 20448216  bytes 4942927813 (4.6 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 36731  bytes 26087058 (24.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 33456929  bytes 4020988356 (3.7 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 33456929  bytes 4020988356 (3.7 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbra3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::5881:64ff:fe72:d48f  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 0  (Ethernet)
        RX packets 387  bytes 15352 (14.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qbrdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::d039:c1ff:fe0f:7f32  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 0  (Ethernet)
        RX packets 373  bytes 14384 (14.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvba3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::58f3:c6ff:fef7:4118  prefixlen 64  scopeid 0x20<link>
        ether 5a:f3:c6:f7:41:18  txqueuelen 1000  (Ethernet)
        RX packets 331  bytes 29251 (28.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 381  bytes 28596 (27.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvbdd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::5845:8eff:fec0:b882  prefixlen 64  scopeid 0x20<link>
        ether 5a:45:8e:c0:b8:82  txqueuelen 1000  (Ethernet)
        RX packets 314  bytes 20534 (20.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 228  bytes 14690 (14.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvoa3453419-9a: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::acc7:f0ff:fe47:3e82  prefixlen 64  scopeid 0x20<link>
        ether ae:c7:f0:47:3e:82  txqueuelen 1000  (Ethernet)
        RX packets 381  bytes 28596 (27.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 331  bytes 29251 (28.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qvodd3af894-64: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST>  mtu 1500
        inet6 fe80::646d:6cff:fec4:b0ec  prefixlen 64  scopeid 0x20<link>
        ether 66:6d:6c:c4:b0:ec  txqueuelen 1000  (Ethernet)
        RX packets 228  bytes 14690 (14.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 314  bytes 20534 (20.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapa3453419-9a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:fe74:1912  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:74:19:12  txqueuelen 500  (Ethernet)
        RX packets 154  bytes 15453 (15.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 136  bytes 14583 (14.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapdd3af894-64: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fc16:3eff:feae:b463  prefixlen 64  scopeid 0x20<link>
        ether fe:16:3e:ae:b4:63  txqueuelen 500  (Ethernet)
        RX packets 213  bytes 13484 (13.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 273  bytes 15770 (15.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
[ml2]
type_drivers = vxlan,flat
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
flat_networks = *
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True

cat /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini | grep -v ^# |grep -v ^$

cat: /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini: No such file or directory

UPDATE 2

ovs-vsctl show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port br-tun
            Interface br-tun
                type: internal
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "eth0"
            Interface "eth0"
    Bridge br-int
        fail_mode: secure
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port br-int
            Interface br-int
                type: internal
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
    ovs_version: "2.3.1"

END--UPDATE 2

cat /etc/neutron/l3_agent.ini | grep -v ^# |grep -v ^$

[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy

cat /etc/neutron/plugins/ml2/ml2_conf.ini | grep -v ^# |grep -v ^$

[ml2]
type_drivers = vxlan,flat
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
flat_networks = *
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True

cat /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini | grep -v ^# |grep -v ^$

cat: /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini: No such file or directory

UPDATE 2

neutron agent-list

+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+
| id                                   | agent_type         | host                  | alive | admin_state_up | binary                    |
+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+
| 5b1ad7f6-114d-4f46-971f-6d280b22436f | Open vSwitch agent | localhost.localdomain | :-)   | True           | neutron-openvswitch-agent |
| 7bba2ced-72e2-4714-9ff8-fa518f47535b | DHCP agent         | localhost.localdomain | :-)   | True           | neutron-dhcp-agent        |
| 7fd6e7e9-aecc-46ec-b9e1-39e9bfa22538 | L3 agent           | localhost.localdomain | :-)   | True           | neutron-l3-agent          |
| cc297d41-0124-4b3b-95bf-2ed17d588baa | Metadata agent     | localhost.localdomain | :-)   | True           | neutron-metadata-agent    |
+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+

ovs-vsctl show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port br-tun
            Interface br-tun
                type: internal
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "eth0"
            Interface "eth0"
    Bridge br-int
        fail_mode: secure
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port br-int
            Interface br-int
                type: internal
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
    ovs_version: "2.3.1"

END--UPDATE 2

cat /etc/neutron/l3_agent.ini | grep -v ^# |grep -v ^$

[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy

cat /etc/neutron/plugins/ml2/ml2_conf.ini | grep -v ^# |grep -v ^$

[ml2]
type_drivers = vxlan,flat
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
flat_networks = *
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True

cat /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini | grep -v ^# |grep -v ^$

cat: /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini: No such file or directory

UPDATE 3

ip netns exec qrouter-2369706e-cd7e-4114-b3eb-095378950676 ifconfig

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qr-b5b46007-ee: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.1  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::f816:3eff:fe4a:8080  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:4a:80:80  txqueuelen 0  (Ethernet)
        RX packets 130  bytes 12426 (12.1 KiB)
        RX errors 0  dropped 1  overruns 0  frame 0
        TX packets 77  bytes 7833 (7.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

UPDATE 2

neutron agent-list

+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+
| id                                   | agent_type         | host                  | alive | admin_state_up | binary                    |
+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+
| 5b1ad7f6-114d-4f46-971f-6d280b22436f | Open vSwitch agent | localhost.localdomain | :-)   | True           | neutron-openvswitch-agent |
| 7bba2ced-72e2-4714-9ff8-fa518f47535b | DHCP agent         | localhost.localdomain | :-)   | True           | neutron-dhcp-agent        |
| 7fd6e7e9-aecc-46ec-b9e1-39e9bfa22538 | L3 agent           | localhost.localdomain | :-)   | True           | neutron-l3-agent          |
| cc297d41-0124-4b3b-95bf-2ed17d588baa | Metadata agent     | localhost.localdomain | :-)   | True           | neutron-metadata-agent    |
+--------------------------------------+--------------------+-----------------------+-------+----------------+---------------------------+

ovs-vsctl show

61350ac7-bfa7-4360-aa95-f8babd4fb986
    Bridge br-tun
        fail_mode: secure
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port br-tun
            Interface br-tun
                type: internal
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "eth0"
            Interface "eth0"
    Bridge br-int
        fail_mode: secure
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qr-b5b46007-ee"
            tag: 1
            Interface "qr-b5b46007-ee"
                type: internal
        Port "qvoa3453419-9a"
            tag: 1
            Interface "qvoa3453419-9a"
        Port "tapc00eaccd-d6"
            tag: 1
            Interface "tapc00eaccd-d6"
                type: internal
        Port br-int
            Interface br-int
                type: internal
        Port "qvodd3af894-64"
            tag: 1
            Interface "qvodd3af894-64"
    ovs_version: "2.3.1"

END--UPDATE 2

cat /etc/neutron/l3_agent.ini | grep -v ^# |grep -v ^$

[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy

cat /etc/neutron/plugins/ml2/ml2_conf.ini | grep -v ^# |grep -v ^$

[ml2]
type_drivers = vxlan,flat
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
flat_networks = *
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True

cat /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini | grep -v ^# |grep -v ^$

cat: /etc/neutron/plugins/ml2/ovs_neutron_plugin.ini: No such file or directory