[  878.345604][ T9541] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  878.423220][ T9542] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  878.505437][ T9543] br0: port 1(veth0) entered blocking state
[  878.505714][ T9543] br0: port 1(veth0) entered disabled state
[  878.505984][ T9543] veth0: entered allmulticast mode
[  878.507189][ T9543] veth0: entered promiscuous mode
[  878.584458][ T9544] br0: port 2(veth1) entered blocking state
[  878.584726][ T9544] br0: port 2(veth1) entered disabled state
[  878.584971][ T9544] veth1: entered allmulticast mode
[  878.586254][ T9544] veth1: entered promiscuous mode
[  879.089982][ T4560] br0: port 1(veth0) entered blocking state
[  879.090297][ T4560] br0: port 1(veth0) entered forwarding state
[  879.091305][ T4560] br0: port 2(veth1) entered blocking state
[  879.091572][ T4560] br0: port 2(veth1) entered forwarding state
[  880.337820][   T67] bond0: (slave veth1): link status definitely up
[  880.338211][   T67] bond0: (slave veth1): making interface the new active one
[  880.339292][   T67] bond0: active interface up!
[  880.605874][   T67] veth1: left allmulticast mode
[  880.606098][   T67] veth1: left promiscuous mode
[  880.606438][   T67] br0: port 2(veth1) entered disabled state
[  880.608525][   T67] veth0: left allmulticast mode
[  880.608750][   T67] veth0: left promiscuous mode
[  880.609042][   T67] br0: port 1(veth0) entered disabled state
[  880.768975][   T67] bond0: (slave veth1): Releasing backup interface
[  880.953039][   T67] bond0: (slave veth0): Releasing backup interface
[  881.241394][   T67] bond0 (unregistering): Released all slaves