[  873.972065][ T9568] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.065856][ T9569] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.164010][ T9570] br0: port 1(veth0) entered blocking state
[  874.164308][ T9570] br0: port 1(veth0) entered disabled state
[  874.164571][ T9570] veth0: entered allmulticast mode
[  874.165790][ T9570] veth0: entered promiscuous mode
[  874.267463][ T9571] br0: port 2(veth1) entered blocking state
[  874.267769][ T9571] br0: port 2(veth1) entered disabled state
[  874.268020][ T9571] veth1: entered allmulticast mode
[  874.269816][ T9571] veth1: entered promiscuous mode
[  874.678345][ T8708] br0: port 1(veth0) entered blocking state
[  874.678616][ T8708] br0: port 1(veth0) entered forwarding state
[  874.679597][ T8708] br0: port 2(veth1) entered blocking state
[  874.679832][ T8708] br0: port 2(veth1) entered forwarding state
[  875.933184][ T5281] bond0: (slave veth1): link status definitely up
[  875.933754][ T5281] bond0: (slave veth1): making interface the new active one
[  875.935178][ T5281] bond0: active interface up!
[  876.461578][ T5281] veth1: left allmulticast mode
[  876.461968][ T5281] veth1: left promiscuous mode
[  876.462340][ T5281] br0: port 2(veth1) entered disabled state
[  876.465020][ T5281] veth0: left allmulticast mode
[  876.465244][ T5281] veth0: left promiscuous mode
[  876.465558][ T5281] br0: port 1(veth0) entered disabled state
[  876.677538][ T5281] bond0: (slave veth1): Releasing backup interface
[  876.859292][ T5281] bond0: (slave veth0): Releasing backup interface
[  877.250859][ T5281] bond0 (unregistering): Released all slaves