[  721.142499] 8021q: adding VLAN 0 to HW filter on device bond0
[  721.153752] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  721.164719] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  721.175390] br0: port 1(veth0) entered blocking state
[  721.175471] br0: port 1(veth0) entered disabled state
[  721.175549] veth0: entered allmulticast mode
[  721.175650] veth0: entered promiscuous mode
[  721.186906] br0: port 2(veth1) entered blocking state
[  721.187031] br0: port 2(veth1) entered disabled state
[  721.187108] veth1: entered allmulticast mode
[  721.187220] veth1: entered promiscuous mode
[  721.515059] br0: port 1(veth0) entered blocking state
[  721.515206] br0: port 1(veth0) entered forwarding state
[  721.515294] br0: port 2(veth1) entered blocking state
[  721.515345] br0: port 2(veth1) entered forwarding state
[  723.194063] bond0: (slave veth1): link status definitely up
[  723.194182] bond0: (slave veth1): making interface the new active one
[  723.194276] bond0: active interface up!
[  723.245257] veth1: left allmulticast mode
[  723.245325] veth1: left promiscuous mode
[  723.245384] br0: port 2(veth1) entered disabled state
[  723.245505] veth0: left allmulticast mode
[  723.245540] veth0: left promiscuous mode
[  723.245579] br0: port 1(veth0) entered disabled state
[  723.259288] bond0: (slave veth1): Releasing backup interface
[  723.266301] bond0: (slave veth0): Releasing backup interface
[  723.291316] bond0 (unregistering): Released all slaves