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Okay, so let's bring some order into this. Here is what I can see before I start anything related to Quantum (openvswitch is running, though):

root@alice:~# ip a 1: lo: <loopback,up,lower_up> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet 169.254.169.254/32 scope link lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:ab:99:1c brd ff:ff:ff:ff:ff:ff inet 192.168.122.111/24 brd 192.168.122.255 scope global eth0 inet6 fe80::5054:10ff:feab:991c/64 scope link valid_lft forever preferred_lft forever 3: eth1: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:cd:a9:74 brd ff:ff:ff:ff:ff:ff inet 192.168.133.111/24 brd 192.168.133.255 scope global eth1 inet6 fe80::5054:10ff:fecd:a974/64 scope link valid_lft forever preferred_lft forever 4: eth2: <broadcast,multicast,promisc,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:ef:a9:74 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:10ff:feef:a974/64 scope link valid_lft forever preferred_lft forever 6: br-int: <broadcast,multicast> mtu 1500 qdisc noop state DOWN link/ether 9e:67:7a:08:10:4d brd ff:ff:ff:ff:ff:ff 7: br-ex: <broadcast,multicast> mtu 1500 qdisc noop state DOWN link/ether 6a:59:e1:58:45:40 brd ff:ff:ff:ff:ff:ff 12: br-tun: <broadcast,multicast> mtu 1500 qdisc noop state DOWN link/ether 5e:6e:e0:5d:f7:41 brd ff:ff:ff:ff:ff:ff

And after starting Quantum, I see this:

root@alice:~# ip a 1: lo: <loopback,up,lower_up> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet 169.254.169.254/32 scope link lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:ab:99:1c brd ff:ff:ff:ff:ff:ff inet 192.168.122.111/24 brd 192.168.122.255 scope global eth0 inet6 fe80::5054:10ff:feab:991c/64 scope link valid_lft forever preferred_lft forever 3: eth1: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:cd:a9:74 brd ff:ff:ff:ff:ff:ff inet 192.168.133.111/24 brd 192.168.133.255 scope global eth1 inet6 fe80::5054:10ff:fecd:a974/64 scope link valid_lft forever preferred_lft forever 4: eth2: <broadcast,multicast,promisc,up,lower_up> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:10:ef:a9:74 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:10ff:feef:a974/64 scope link valid_lft forever preferred_lft forever 6: br-int: <broadcast,multicast> mtu 1500 qdisc noop state DOWN link/ether 9e:67:7a:08:10:4d brd ff:ff:ff:ff:ff:ff 7: br-ex: <broadcast,multicast,up,lower_up> mtu 1500 qdisc noqueue state UNKNOWN link/ether 6a:59:e1:58:45:40 brd ff:ff:ff:ff:ff:ff inet 192.168.144.10/24 scope global br-ex inet6 fe80::6859:e1ff:fe58:4540/64 scope link valid_lft forever preferred_lft forever 18: br-tun: <broadcast,multicast> mtu 1500 qdisc noop state DOWN link/ether ae:7a:8d:4b:cc:43 brd ff:ff:ff:ff:ff:ff

The output you have requested, Dan, is this:

root@alice:~# ip netns exec qrouter-dcb14759-ed47-4c67-b316-3f45fb7b1ebb ip addr 15: lo: <loopback,up,lower_up> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 19: qr-a7316545-42: <broadcast,multicast,up,lower_up> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:be:27:e4 brd ff:ff:ff:ff:ff:ff inet 10.0.0.1/24 brd 10.0.0.255 scope global qr-a7316545-42 inet6 fe80::f816:3eff:febe:27e4/64 scope link valid_lft forever preferred_lft forever 20: qg-f39dde60-d3: <broadcast,multicast,up,lower_up> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:1e:a4:ed brd ff:ff:ff:ff:ff:ff inet 192.168.144.100/24 brd 192.168.144.255 scope global qg-f39dde60-d3 inet6 fe80::f816:3eff:fe1e:a4ed/64 scope link valid_lft forever preferred_lft forever

root@alice:~# ip netns exec qdhcp-882d9ede-791d-4c7f-9720-8bdc2889ffd3 ip addr 13: tap2fe63857-4a: <broadcast,multicast,up,lower_up> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:bc:95:9d brd ff:ff:ff:ff:ff:ff inet 10.0.0.2/24 brd 10.0.0.255 scope global tap2fe63857-4a inet6 fe80::f816:3eff:febc:959d/64 scope link valid_lft forever preferred_lft forever 14: lo: <loopback,up,lower_up> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever