[  721.603805] 8021q: adding VLAN 0 to HW filter on device bond0
[  721.614809] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  721.627038] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  721.638274] br0: port 1(veth0) entered blocking state
[  721.638380] br0: port 1(veth0) entered disabled state
[  721.638453] veth0: entered allmulticast mode
[  721.638546] veth0: entered promiscuous mode
[  721.650756] br0: port 2(veth1) entered blocking state
[  721.650839] br0: port 2(veth1) entered disabled state
[  721.650893] veth1: entered allmulticast mode
[  721.651004] veth1: entered promiscuous mode
[  721.868045] br0: port 1(veth0) entered blocking state
[  721.868178] br0: port 1(veth0) entered forwarding state
[  721.868258] br0: port 2(veth1) entered blocking state
[  721.868298] br0: port 2(veth1) entered forwarding state
[  723.676046] bond0: (slave veth1): link status definitely up
[  723.676213] bond0: (slave veth1): making interface the new active one
[  723.676335] bond0: active interface up!
[  723.775230] veth1: left allmulticast mode
[  723.775302] veth1: left promiscuous mode
[  723.775368] br0: port 2(veth1) entered disabled state
[  723.775515] veth0: left allmulticast mode
[  723.775566] veth0: left promiscuous mode
[  723.775605] br0: port 1(veth0) entered disabled state
[  723.789451] bond0: (slave veth1): Releasing backup interface
[  723.793941] bond0: (slave veth0): Releasing backup interface