[  852.221578][ T9923] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  852.335473][ T9924] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  852.425859][ T9925] br0: port 1(veth0) entered blocking state
[  852.426171][ T9925] br0: port 1(veth0) entered disabled state
[  852.426475][ T9925] veth0: entered allmulticast mode
[  852.427717][ T9925] veth0: entered promiscuous mode
[  852.534583][ T9926] br0: port 2(veth1) entered blocking state
[  852.534958][ T9926] br0: port 2(veth1) entered disabled state
[  852.535494][ T9926] veth1: entered allmulticast mode
[  852.537445][ T9926] veth1: entered promiscuous mode
[  852.953736][   T55] br0: port 1(veth0) entered blocking state
[  852.954080][   T55] br0: port 1(veth0) entered forwarding state
[  852.955086][   T55] br0: port 2(veth1) entered blocking state
[  852.955330][   T55] br0: port 2(veth1) entered forwarding state
[  854.209529][ T7823] bond0: (slave veth1): link status definitely up
[  854.209999][ T7823] bond0: (slave veth1): making interface the new active one
[  854.211362][ T7823] bond0: active interface up!
[  854.431709][ T2792] veth1: left allmulticast mode
[  854.431950][ T2792] veth1: left promiscuous mode
[  854.432283][ T2792] br0: port 2(veth1) entered disabled state
[  854.435000][ T2792] veth0: left allmulticast mode
[  854.435211][ T2792] veth0: left promiscuous mode
[  854.435542][ T2792] br0: port 1(veth0) entered disabled state
[  854.618599][ T2792] bond0: (slave veth1): Releasing backup interface
[  854.728155][ T2792] bond0: (slave veth0): Releasing backup interface
[  855.063075][ T2792] bond0 (unregistering): Released all slaves