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Couldn't ping or SSH to the instance, seems like VM booting issue

asked 2011-01-18 20:39:03 -0500

tpatil gravatar image

I see some errors in the syslog on the compute-node. The instance status is showing as running but when I ssh or ping to the instance it fails. I have ensured that the access is given to port 22 and icmp.

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-instances RESERVATION r-mb1nxjho project-1 INSTANCE i-00000013 ami-vdfo75za 172.16.0.4 172.16.0.4 running test (project-1, ubuntu-compute-02) 0 m1.tiny 2011-01-18 20:24:33 nova

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-groups GROUP project-1 default default PERMISSION project-1 default ALLOWS tcp 22 22 FROM CIDR 0.0.0.0/0 PERMISSION project-1 default ALLOWS icmp -1 -1 FROM CIDR 0.0.0.0/0

/var/log/syslog Jan 18 12:32:24 ubuntu-compute-02 libvirtd: 12:32:24.886: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:24 ubuntu-compute-02 kernel: [676352.295833] type=1503 audit(1295382744.890:49): operation="open" pid=28383 parent=22720 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.508359] type=1505 audit(1295382745.102:50): operation="profile_load" pid=28384 name="libvirt-1735a216-316d-b8a6-2f6c-1ececc4e5e86" Jan 18 12:32:25 ubuntu-compute-02 libvirtd: 12:32:25.202: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.608935] device vnet0 entered promiscuous mode Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.609367] br100: port 2(vnet0) entering forwarding state Jan 18 12:32:35 ubuntu-compute-02 kernel: [676363.204522] vnet0: no IPv6 routers present

nova-compute.log doesn't show any errors.

Any clue?

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answered 2011-01-25 02:45:14 -0500

tpatil gravatar image

If I apply the patch suggested by Koji IIDA San, I don't face this problem. I can ping and SSH to the instance successfully.

Seems like this is some bug in the IPtablesFirewallDriver.

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answered 2011-01-21 19:45:26 -0500

tpatil gravatar image

This is my iptables -n -L output on the nova-compute node.

root@ubuntu-compute-02:/var/log# iptables -n -L Chain INPUT (policy ACCEPT) target prot opt source destination

Chain FORWARD (policy ACCEPT) target prot opt source destination nova-local all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0

Chain OUTPUT (policy ACCEPT) target prot opt source destination

Chain nova-fallback (1 references) target prot opt source destination DROP all -- 0.0.0.0/0 0.0.0.0/0

Chain nova-inst-99 (1 references) target prot opt source destination DROP all -- 0.0.0.0/0 0.0.0.0/0 state INVALID ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED nova-sg-1 all -- 0.0.0.0/0 0.0.0.0/0 udp -- 172.16.0.1 0.0.0.0/0 udp spt:67 dpt:68 nova-fallback all -- 0.0.0.0/0 0.0.0.0/0

Chain nova-local (1 references) target prot opt source destination nova-inst-99 all -- 0.0.0.0/0 172.16.0.3

Chain nova-sg-1 (1 references) target prot opt source destination ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 ACCEPT tcp -- 10.2.3.0/24 0.0.0.0/0 tcp dpt:22

Is there any issue with the iptables filters?

tcpdump on nova-compute node.

root@ubuntu-compute-02:/var/log# tcpdump -i br100 -v -n port 68 tcpdump: WARNING: br100: no IPv4 address assigned tcpdump: listening on br100, link-type EN10MB (Ethernet), capture size 96 bytes 11:44:35.640815 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 308) 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 02:16:3e:3f:c3:1c, length 280, xid 0x6458492f, Flags [none] Client-Ethernet-Address 02:16:3e:3f:c3:1c [|bootp] 11:44:35.641374 IP (tos 0x0, ttl 64, id 64012, offset 0, flags [none], proto UDP (17), length 332) 172.16.0.1.67 > 172.16.0.3.68: BOOTP/DHCP, Reply, length 304, xid 0x6458492f, Flags [none] Your-IP 172.16.0.3 Server-IP 172.16.0.1 Client-Ethernet-Address 02:16:3e:3f:c3:1c [|bootp] 11:44:38.645585 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 308) 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 02:16:3e:3f:c3:1c, length 280, xid 0x6458492f, Flags [none] Client-Ethernet-Address 02:16:3e:3f:c3:1c [|bootp] 11:44:38.646069 IP (tos 0x0, ttl 64, id 64013, offset 0, flags [none], proto UDP (17), length 332) 172.16.0.1.67 > 172.16.0.3.68: BOOTP/DHCP, Reply, length 304, xid 0x6458492f, Flags [none] Your-IP 172.16.0.3 ... (more)

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answered 2011-01-25 03:28:16 -0500

rlane gravatar image

The patch by Koji also solves the problem I was having today with flatdhcp networking.

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answered 2011-01-18 20:49:51 -0500

vishvananda gravatar image

You are getting unique ip addresses. Are you using flat networking and standard ubuntu images? If so your instance might be stuck trying to hit the metadata server. You can check this by getting console output on the instance and see if it reports a failure to hit metadata over and over. If so it will time out after about 20 minutes and you will be able to hit it. For flat networking, you either need to disable cloud init, or modify your gateway to forward to api so that instances can retrieve metadata.

On Jan 18, 2011, at 12:39 PM, Tushar Patil wrote:

New question #141960 on OpenStack Compute (nova): https://answers.launchpad.net/nova/+q...

I see some errors in the syslog on the compute-node. The instance status is showing as running but when I ssh or ping to the instance it fails. I have ensured that the access is given to port 22 and icmp.

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-instances RESERVATION r-mb1nxjho project-1 INSTANCE i-00000013 ami-vdfo75za 172.16.0.4 172.16.0.4 running test (project-1, ubuntu-compute-02) 0 m1.tiny 2011-01-18 20:24:33 nova

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-groups GROUP project-1 default default PERMISSION project-1 default ALLOWS tcp 22 22 FROM CIDR 0.0.0.0/0 PERMISSION project-1 default ALLOWS icmp -1 -1 FROM CIDR 0.0.0.0/0

/var/log/syslog Jan 18 12:32:24 ubuntu-compute-02 libvirtd: 12:32:24.886: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:24 ubuntu-compute-02 kernel: [676352.295833] type=1503 audit(1295382744.890:49): operation="open" pid=28383 parent=22720 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.508359] type=1505 audit(1295382745.102:50): operation="profile_load" pid=28384 name="libvirt-1735a216-316d-b8a6-2f6c-1ececc4e5e86" Jan 18 12:32:25 ubuntu-compute-02 libvirtd: 12:32:25.202: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.608935] device vnet0 entered promiscuous mode Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.609367] br100: port 2(vnet0) entering forwarding state Jan 18 12:32:35 ubuntu-compute-02 kernel: [676363.204522] vnet0: no IPv6 routers present

nova-compute.log doesn't show any errors.

Any clue?


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answered 2011-01-18 20:59:25 -0500

tpatil gravatar image

I am using Vlan networking and standard ubuntu images. Unfortunately I don't see any console log too.

root@ubuntu-network-api-server:/home/openstack/nova# euca-get-console-output i-00000013 i-00000013 2011-01-18 20:54:33.322383

I also checked tcpdump -i br100 -n port 67 or port 68 on both network-node and compute node, but I don't see any traffic on br100.

network-node

root@ubuntu-network-api-server:/# ps aux | grep dnsmasq nobody 19102 0.0 0.0 4144 900 ? S Jan17 0:00 dnsmasq --strict-order --bind-interfaces --conf-file= --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=172.16.0.1 --except-interface=lo --dhcp-range=172.16.0.3,static,120s --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/home/naved/nova/bin/nova-dhcpbridge --leasefile-ro root 19103 0.0 0.0 4144 256 ? S Jan17 0:00 dnsmasq --strict-order --bind-interfaces --conf-file= --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=172.16.0.1 --except-interface=lo --dhcp-range=172.16.0.3,static,120s --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/home/naved/nova/bin/nova-dhcpbridge --leasefile-ro root 20155 0.0 0.0 3320 816 pts/6 S+ 12:57 0:00 grep --color=auto dnsmasq

brctl show output on network-node

root@ubuntu-network-api-server:/home/openstack/nova# brctl show bridge name bridge id STP enabled interfaces br100 8000.0026b981379c no vlan100

brctl show output on compute-node root@ubuntu-compute-02:/var/log# brctl show bridge name bridge id STP enabled interfaces br100 8000.0026b98149ee no vlan100 vnet0

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answered 2011-01-18 21:08:01 -0500

tpatil gravatar image

log from libvirt

/var/log/libvirt/qemu/instance-00000013.log

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 512 -smp 1,sockets=1,cores=1,threads=1 -name instance-00000013 -uuid 0ade0002-78a6-1bb3-773f-39296d44c782 -nographic -nodefaults -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/instance-00000016.monitor,server,nowait -mon chardev=monitor,mode=readline -rtc base=utc -boot c -kernel /var/lib/nova/instances/instance-00000016/kernel -initrd /var/lib/nova/instances/instance-00000013/ramdisk -append root=/dev/vda console=ttyS0 -drive file=/var/lib/nova/instances/instance-00000013/disk,if=none,id=drive-virtio-disk0,boot=on,format=qcow2 -device virtio-blk-pci,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0 -device rtl8139,vlan=0,id=net0,mac=02:16:3e:61:bb:09,bus=pci.0,addr=0x2 -net tap,fd=34,vlan=0,name=hostnet0 -chardev file,id=serial0,path=/var/lib/nova/instances/instance-00000013/console.log -device isa-serial,chardev=serial0 -chardev pty,id=serial1 -device isa-serial,chardev=serial1 -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 char device redirected to /dev/pts/3

libvirt.xml

<domain type="kvm"> <name>instance-00000013</name> <memory>524288</memory> <os> <type>hvm</type> <kernel>/var/lib/nova/instances/instance-00000013/kernel</kernel> <cmdline>root=/dev/vda console=ttyS0</cmdline> <initrd>/var/lib/nova/instances/instance-00000013/ramdisk</initrd> </os> <features> <acpi/> </features> <vcpu>1</vcpu> <devices> <disk type="file"> <driver type="qcow2"/> <source file="/var/lib/nova/instances/instance-00000013/disk"/> <target dev="vda" bus="virtio"/> </disk> <interface type="bridge"> <source bridge="br100"/> <mac address="02:16:3e:61:bb:09"/> <filterref filter="nova-instance-instance-00000013"> <parameter name="IP" value="172.16.0.4"/> <parameter name="DHCPSERVER" value="172.16.0.1"/> <parameter name="RASERVER" value="fd00::"/> <parameter name="PROJNET" value="172.16.0.0"/> <parameter name="PROJMASK" value="255.255.255.224"/>

        </filterref>
    </interface>

    <!-- The order is significant here.  File must be defined first -->
    <serial type="file">
        <source path='/var/lib/nova/instances/instance-00000013/console.log'/>
        <target port='1'/>
    </serial>

    <console type='pty' tty='/dev/pts/2'>
        <source path='/dev/pts/2'/>
        <target port='0'/>
    </console>

    <serial type='pty'>
        <source path='/dev/pts/2'/>
        <target port='0'/>
    </serial>

</devices>

</domain>

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answered 2011-01-18 21:07:09 -0500

vishvananda gravatar image

hmm, looks like an apparmor issue possibly. There is a patch that just merged that may help. Although i'm not sure why it is reporting running. Please try again with new trunk now that the patch has merged. If it doesn't help, we may have to revisit app-armor issues.

Vish

On Jan 18, 2011, at 12:39 PM, Tushar Patil wrote:

New question #141960 on OpenStack Compute (nova): https://answers.launchpad.net/nova/+q...

I see some errors in the syslog on the compute-node. The instance status is showing as running but when I ssh or ping to the instance it fails. I have ensured that the access is given to port 22 and icmp.

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-instances RESERVATION r-mb1nxjho project-1 INSTANCE i-00000013 ami-vdfo75za 172.16.0.4 172.16.0.4 running test (project-1, ubuntu-compute-02) 0 m1.tiny 2011-01-18 20:24:33 nova

root@ubuntu-network-api-server:/home/openstack/nova# euca-describe-groups GROUP project-1 default default PERMISSION project-1 default ALLOWS tcp 22 22 FROM CIDR 0.0.0.0/0 PERMISSION project-1 default ALLOWS icmp -1 -1 FROM CIDR 0.0.0.0/0

/var/log/syslog Jan 18 12:32:24 ubuntu-compute-02 libvirtd: 12:32:24.886: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:24 ubuntu-compute-02 kernel: [676352.295833] type=1503 audit(1295382744.890:49): operation="open" pid=28383 parent=22720 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.508359] type=1505 audit(1295382745.102:50): operation="profile_load" pid=28384 name="libvirt-1735a216-316d-b8a6-2f6c-1ececc4e5e86" Jan 18 12:32:25 ubuntu-compute-02 libvirtd: 12:32:25.202: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.608935] device vnet0 entered promiscuous mode Jan 18 12:32:25 ubuntu-compute-02 kernel: [676352.609367] br100: port 2(vnet0) entering forwarding state Jan 18 12:32:35 ubuntu-compute-02 kernel: [676363.204522] vnet0: no IPv6 routers present

nova-compute.log doesn't show any errors.

Any clue?


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answered 2011-01-19 00:06:55 -0500

tpatil gravatar image

I observe the same problem with the latest trunk Revision 577.

/var/log/syslog

Jan 18 16:01:04 ubuntu-compute-02 libvirtd: 16:01:04.594: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:01:04 ubuntu-compute-02 kernel: [688842.613618] type=1503 audit(1295395264.598:58): operation="open" pid=31117 parent=22724 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 16:01:04 ubuntu-compute-02 kernel: [688842.826514] type=1505 audit(1295395264.810:59): operation="profile_load" pid=31118 name="libvirt-16942e24-78a7-51fd-c0f7-2c06c411a495" Jan 18 16:01:04 ubuntu-compute-02 libvirtd: 16:01:04.926: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:01:04 ubuntu-compute-02 kernel: [688842.942459] device vnet0 entered promiscuous mode Jan 18 16:01:04 ubuntu-compute-02 kernel: [688842.942814] br100: port 2(vnet0) entering forwarding state

euca-get-console-output doesn't show any console output.

/var/log/libvirt/qemu/instance-00000008.log

root@ubuntu-compute-02:/var/log/libvirt/qemu# vi instance-00000008.log LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 512 -smp 1,sockets=1,cores=1,threads=1 -name instance-00000008 -uuid 16942e24-78a7-51fd-c0f7-2c06c411a495 -nographic -nodefaults -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/instance-00000008.monitor,server,nowait -mon chardev=monitor,mode=readline -rtc base=utc -boot c -kernel /var/lib/nova/instances/instance-00000008/kernel -initrd /var/lib/nova/instances/instance-00000008/ramdisk -append root=/dev/vda console=ttyS0 -drive file=/var/lib/nova/instances/instance-00000008/disk,if=none,id=drive-virtio-disk0,boot=on,format=qcow2 -device virtio-blk-pci,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0 -device rtl8139,vlan=0,id=net0,mac=02:16:3e:24:07:8d,bus=pci.0,addr=0x2 -net tap,fd=34,vlan=0,name=hostnet0 -chardev file,id=serial0,path=/var/lib/nova/instances/instance-00000008/console.log -device isa-serial,chardev=serial0 -chardev pty,id=serial1 -device isa-serial,chardev=serial1 -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 char device redirected to /dev/pts/2

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answered 2011-01-19 00:19:25 -0500

tpatil gravatar image

I am getting " nbd15: unknown partition table: message in the syslog.

/var/log/syslog

Jan 18 16:14:07 ubuntu-compute-01 kernel: [337973.471306] nbd15: unknown partition table Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.170330] nbd15: NBD_DISCONNECT Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.182412] nbd15: queue cleared Jan 18 16:14:08 ubuntu-compute-01 libvirtd: 16:14:08.870: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.286341] type=1503 audit(1295396048.873:32): operation="open" pid=6159 parent=1226 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.497634] type=1505 audit(1295396049.086:33): operation="profile_load" pid=6160 name="libvirt-740ac8da-97ed-c5cd-238d-aad70cd9f752" Jan 18 16:14:09 ubuntu-compute-01 libvirtd: 16:14:09.202: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.615222] device vnet0 entered promiscuous mode Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.615662] br100: port 2(vnet0) entering forwarding state

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answered 2011-01-19 00:47:16 -0500

vishvananda gravatar image

The nbd message isn't a problem. I'll try to repro the app-armor issue. You can probably work around the other issue by changing qemu to not use apparmor. Change line ~90 in /etc/libvirt/qemu.conf:

security_driver = "selinux"

On Jan 18, 2011, at 4:19 PM, Tushar Patil wrote: security_driver = "None"

Vish

Question #141960 on OpenStack Compute (nova) changed: https://answers.launchpad.net/nova/+q...

Tushar Patil gave more information on the question: I am getting " nbd15: unknown partition table: message in the syslog.

/var/log/syslog

Jan 18 16:14:07 ubuntu-compute-01 kernel: [337973.471306] nbd15: unknown partition table Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.170330] nbd15: NBD_DISCONNECT Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.182412] nbd15: queue cleared Jan 18 16:14:08 ubuntu-compute-01 libvirtd: 16:14:08.870: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:14:08 ubuntu-compute-01 kernel: [337975.286341] type=1503 audit(1295396048.873:32): operation="open" pid=6159 parent=1226 profile="/usr/lib/libvirt/virt-aa-helper" requested_mask="::r" denied_mask="::r" fsuid=0 ouid=104 name="/var/lib/nova/instances/_base/ami-vdfo75za_sm" Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.497634] type=1505 audit(1295396049.086:33): operation="profile_load" pid=6160 name="libvirt-740ac8da-97ed-c5cd-238d-aad70cd9f752" Jan 18 16:14:09 ubuntu-compute-01 libvirtd: 16:14:09.202: warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.615222] device vnet0 entered promiscuous mode Jan 18 16:14:09 ubuntu-compute-01 kernel: [337975.615662] br100: port 2(vnet0) entering forwarding state


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Asked: 2011-01-18 20:39:03 -0500

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Last updated: Jan 25 '11