[  830.894445][ T9552] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  830.985958][ T9553] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  831.069093][ T9554] br0: port 1(veth0) entered blocking state
[  831.069365][ T9554] br0: port 1(veth0) entered disabled state
[  831.069612][ T9554] veth0: entered allmulticast mode
[  831.070775][ T9554] veth0: entered promiscuous mode
[  831.159814][ T9555] br0: port 2(veth1) entered blocking state
[  831.160074][ T9555] br0: port 2(veth1) entered disabled state
[  831.160323][ T9555] veth1: entered allmulticast mode
[  831.161522][ T9555] veth1: entered promiscuous mode
[  831.637031][   T40] br0: port 1(veth0) entered blocking state
[  831.637291][   T40] br0: port 1(veth0) entered forwarding state
[  831.638247][   T40] br0: port 2(veth1) entered blocking state
[  831.638464][   T40] br0: port 2(veth1) entered forwarding state
[  832.828951][   T69] bond0: (slave veth1): link status definitely up
[  832.829576][   T69] bond0: (slave veth1): making interface the new active one
[  832.831183][   T69] bond0: active interface up!
[  833.251462][   T69] veth1: left allmulticast mode
[  833.251740][   T69] veth1: left promiscuous mode
[  833.252064][   T69] br0: port 2(veth1) entered disabled state
[  833.253956][   T69] veth0: left allmulticast mode
[  833.254190][   T69] veth0: left promiscuous mode
[  833.254555][   T69] br0: port 1(veth0) entered disabled state
[  833.391133][   T69] bond0: (slave veth1): Releasing backup interface
[  833.556758][   T69] bond0: (slave veth0): Releasing backup interface
[  833.938172][   T69] bond0 (unregistering): Released all slaves