[  852.462199][ T9635] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  852.560960][ T9636] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  852.664706][ T9637] br0: port 1(veth0) entered blocking state
[  852.664985][ T9637] br0: port 1(veth0) entered disabled state
[  852.665547][ T9637] veth0: entered allmulticast mode
[  852.666752][ T9637] veth0: entered promiscuous mode
[  852.755485][ T9638] br0: port 2(veth1) entered blocking state
[  852.755822][ T9638] br0: port 2(veth1) entered disabled state
[  852.756082][ T9638] veth1: entered allmulticast mode
[  852.757400][ T9638] veth1: entered promiscuous mode
[  853.134838][   T55] br0: port 1(veth0) entered blocking state
[  853.135106][   T55] br0: port 1(veth0) entered forwarding state
[  853.136080][   T55] br0: port 2(veth1) entered blocking state
[  853.136323][   T55] br0: port 2(veth1) entered forwarding state
[  854.399651][ T8981] bond0: (slave veth1): link status definitely up
[  854.400141][ T8981] bond0: (slave veth1): making interface the new active one
[  854.401478][ T8981] bond0: active interface up!
[  854.861387][ T5619] veth1: left allmulticast mode
[  854.861677][ T5619] veth1: left promiscuous mode
[  854.862034][ T5619] br0: port 2(veth1) entered disabled state
[  854.864611][ T5619] veth0: left allmulticast mode
[  854.864858][ T5619] veth0: left promiscuous mode
[  854.865173][ T5619] br0: port 1(veth0) entered disabled state
[  855.035076][ T5619] bond0: (slave veth1): Releasing backup interface
[  855.228387][ T5619] bond0: (slave veth0): Releasing backup interface
[  855.637430][ T5619] bond0 (unregistering): Released all slaves