[  720.455637] 8021q: adding VLAN 0 to HW filter on device bond0
[  720.467330] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  720.479188] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  720.490853] br0: port 1(veth0) entered blocking state
[  720.490959] br0: port 1(veth0) entered disabled state
[  720.491045] veth0: entered allmulticast mode
[  720.491163] veth0: entered promiscuous mode
[  720.503438] br0: port 2(veth1) entered blocking state
[  720.503514] br0: port 2(veth1) entered disabled state
[  720.503555] veth1: entered allmulticast mode
[  720.503630] veth1: entered promiscuous mode
[  721.437296] br0: port 1(veth0) entered blocking state
[  721.437412] br0: port 1(veth0) entered forwarding state
[  721.437510] br0: port 2(veth1) entered blocking state
[  721.437620] br0: port 2(veth1) entered forwarding state
[  722.525303] bond0: (slave veth1): link status definitely up
[  722.525438] bond0: (slave veth1): making interface the new active one
[  722.525519] bond0: active interface up!
[  722.656717] veth1: left allmulticast mode
[  722.656824] veth1: left promiscuous mode
[  722.656882] br0: port 2(veth1) entered disabled state
[  722.657049] veth0: left allmulticast mode
[  722.657092] veth0: left promiscuous mode
[  722.657141] br0: port 1(veth0) entered disabled state
[  722.677032] bond0: (slave veth1): Releasing backup interface
[  722.680315] bond0: (slave veth0): Releasing backup interface
[  722.708556] bond0 (unregistering): Released all slaves