[  521.400645] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.418851] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.437047] br0: port 1(veth0) entered blocking state
[  521.437122] br0: port 1(veth0) entered disabled state
[  521.437185] veth0: entered allmulticast mode
[  521.437278] veth0: entered promiscuous mode
[  521.454724] br0: port 2(veth1) entered blocking state
[  521.454786] br0: port 2(veth1) entered disabled state
[  521.454840] veth1: entered allmulticast mode
[  521.454927] veth1: entered promiscuous mode
[  522.363878] br0: port 1(veth0) entered blocking state
[  522.363952] br0: port 1(veth0) entered forwarding state
[  522.364027] br0: port 2(veth1) entered blocking state
[  522.364079] br0: port 2(veth1) entered forwarding state
[  523.451879] bond0: (slave veth1): link status definitely up
[  523.451979] bond0: (slave veth1): making interface the new active one
[  523.452045] bond0: active interface up!
[  523.489566] veth1: left allmulticast mode
[  523.489615] veth1: left promiscuous mode
[  523.489657] br0: port 2(veth1) entered disabled state
[  523.489756] veth0: left allmulticast mode
[  523.489792] veth0: left promiscuous mode
[  523.489830] br0: port 1(veth0) entered disabled state
[  523.519097] bond0: (slave veth1): Releasing backup interface
[  523.531106] bond0: (slave veth0): Releasing backup interface