[  834.545169][ T9415] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.636784][ T9416] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.732131][ T9417] br0: port 1(veth0) entered blocking state
[  834.732505][ T9417] br0: port 1(veth0) entered disabled state
[  834.732891][ T9417] veth0: entered allmulticast mode
[  834.734292][ T9417] veth0: entered promiscuous mode
[  834.819831][ T9418] br0: port 2(veth1) entered blocking state
[  834.820154][ T9418] br0: port 2(veth1) entered disabled state
[  834.820411][ T9418] veth1: entered allmulticast mode
[  834.821663][ T9418] veth1: entered promiscuous mode
[  835.256836][   T55] br0: port 1(veth0) entered blocking state
[  835.257209][   T55] br0: port 1(veth0) entered forwarding state
[  835.258851][   T55] br0: port 2(veth1) entered blocking state
[  835.259138][   T55] br0: port 2(veth1) entered forwarding state
[  836.479302][ T5444] bond0: (slave veth1): link status definitely up
[  836.479862][ T5444] bond0: (slave veth1): making interface the new active one
[  836.481451][ T5444] bond0: active interface up!
[  836.815435][ T5444] veth1: left allmulticast mode
[  836.815768][ T5444] veth1: left promiscuous mode
[  836.816334][ T5444] br0: port 2(veth1) entered disabled state
[  836.819957][ T5444] veth0: left allmulticast mode
[  836.820273][ T5444] veth0: left promiscuous mode
[  836.820653][ T5444] br0: port 1(veth0) entered disabled state
[  837.026925][ T5444] bond0: (slave veth1): Releasing backup interface
[  837.182668][ T5444] bond0: (slave veth0): Releasing backup interface
[  837.556017][ T5444] bond0 (unregistering): Released all slaves