[  921.545001][ T7480] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  921.694632][ T7481] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  921.837315][ T7482] br0: port 1(veth0) entered blocking state
[  921.837539][ T7482] br0: port 1(veth0) entered disabled state
[  921.837757][ T7482] veth0: entered allmulticast mode
[  921.838899][ T7482] veth0: entered promiscuous mode
[  921.976757][ T7483] br0: port 2(veth1) entered blocking state
[  921.977007][ T7483] br0: port 2(veth1) entered disabled state
[  921.977275][ T7483] veth1: entered allmulticast mode
[  921.978468][ T7483] veth1: entered promiscuous mode
[  922.381191][   T50] br0: port 1(veth0) entered blocking state
[  922.381429][   T50] br0: port 1(veth0) entered forwarding state
[  922.382379][   T50] br0: port 2(veth1) entered blocking state
[  922.382571][   T50] br0: port 2(veth1) entered forwarding state
[  923.503318][   T74] bond0: (slave veth1): link status definitely up
[  923.503595][   T74] bond0: (slave veth1): making interface the new active one
[  923.504408][   T74] bond0: active interface up!
[  924.100593][   T74] veth1: left allmulticast mode
[  924.100867][   T74] veth1: left promiscuous mode
[  924.101320][   T74] br0: port 2(veth1) entered disabled state
[  924.104002][   T74] veth0: left allmulticast mode
[  924.104279][   T74] veth0: left promiscuous mode
[  924.104685][   T74] br0: port 1(veth0) entered disabled state
[  924.154820][   T74] bond0: (slave veth1): Releasing backup interface
[  924.181280][   T74] bond0: (slave veth0): Releasing backup interface
[  924.266654][   T74] bond0 (unregistering): Released all slaves