Public bug reported:
When vm is deleted or migrate to other compute node, the function
'delete_accepted_egress_direct_flow' was not executed. This will resule
in stale flows in table 61.
reproduction steps:
1. Create a VM, which mac is fa:16:3e:2a:4c:9f
2. Show the flows in br-int:
cookie=0xf19902187e0bc0bf, duration=76.736s, table=1, n_packets=0,
n_bytes=0, priority=20,dl_vlan=9,dl_dst=fa:16:3e:2a:4c:9f
actions=mod_dl_src:fa:16:3e:e4:8a:e4,resubmit(,60)
cookie=0xf19902187e0bc0bf, duration=74.976s, table=25, n_packets=126,
n_bytes=11031, priority=2,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f
actions=resubmit(,60)
cookie=0xf19902187e0bc0bf, duration=76.732s, table=60, n_packets=28,
n_bytes=3314, priority=20,dl_vlan=9,dl_dst=fa:16:3e:2a:4c:9f
actions=strip_vlan,output:"qvode3db9ac-24"
cookie=0xf19902187e0bc0bf, duration=76.299s, table=60, n_packets=126,
n_bytes=11031, priority=9,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f
actions=resubmit(,61)
cookie=0xf19902187e0bc0bf, duration=76.299s, table=61, n_packets=62,
n_bytes=6401, priority=12,dl_dst=fa:16:3e:2a:4c:9f
actions=output:"qvode3db9ac-24"
cookie=0xf19902187e0bc0bf, duration=76.299s, table=61, n_packets=24,
n_bytes=1782,
priority=10,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f,dl_dst=00:00:00:00:00:00/01:00:00:00:00:00
actions=mod_vlan_vid:9,output:"patch-tun"
3. Delete the VM
4. Show the flows in br-int again:
cookie=0xf19902187e0bc0bf, duration=134.991s, table=61, n_packets=62,
n_bytes=6401, priority=12,dl_dst=fa:16:3e:2a:4c:9f actions=output:58
As shown above, the flow remains after deleting the virtual machine.
** Affects: neutron
Importance: Undecided
Assignee: Li YaJie (yjmango)
Status: New
** Changed in: neutron
Assignee: (unassigned) => Li YaJie (yjmango)
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https://bugs.launchpad.net/bugs/1881070
Title:
the accepted-egress-direct-flows can't be deleted when the VM is
deleted
Status in neutron:
New
Bug description:
When vm is deleted or migrate to other compute node, the function
'delete_accepted_egress_direct_flow' was not executed. This will
resule in stale flows in table 61.
reproduction steps:
1. Create a VM, which mac is fa:16:3e:2a:4c:9f
2. Show the flows in br-int:
cookie=0xf19902187e0bc0bf, duration=76.736s, table=1, n_packets=0,
n_bytes=0, priority=20,dl_vlan=9,dl_dst=fa:16:3e:2a:4c:9f
actions=mod_dl_src:fa:16:3e:e4:8a:e4,resubmit(,60)
cookie=0xf19902187e0bc0bf, duration=74.976s, table=25, n_packets=126,
n_bytes=11031, priority=2,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f
actions=resubmit(,60)
cookie=0xf19902187e0bc0bf, duration=76.732s, table=60, n_packets=28,
n_bytes=3314, priority=20,dl_vlan=9,dl_dst=fa:16:3e:2a:4c:9f
actions=strip_vlan,output:"qvode3db9ac-24"
cookie=0xf19902187e0bc0bf, duration=76.299s, table=60, n_packets=126,
n_bytes=11031, priority=9,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f
actions=resubmit(,61)
cookie=0xf19902187e0bc0bf, duration=76.299s, table=61, n_packets=62,
n_bytes=6401, priority=12,dl_dst=fa:16:3e:2a:4c:9f
actions=output:"qvode3db9ac-24"
cookie=0xf19902187e0bc0bf, duration=76.299s, table=61, n_packets=24,
n_bytes=1782,
priority=10,in_port="qvode3db9ac-24",dl_src=fa:16:3e:2a:4c:9f,dl_dst=00:00:00:00:00:00/01:00:00:00:00:00
actions=mod_vlan_vid:9,output:"patch-tun"
3. Delete the VM
4. Show the flows in br-int again:
cookie=0xf19902187e0bc0bf, duration=134.991s, table=61, n_packets=62,
n_bytes=6401, priority=12,dl_dst=fa:16:3e:2a:4c:9f actions=output:58
As shown above, the flow remains after deleting the virtual machine.
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