[  749.280242] 8021q: adding VLAN 0 to HW filter on device bond0
[  749.283234] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  749.286203] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  749.289053] br0: port 1(veth0) entered blocking state
[  749.289082] br0: port 1(veth0) entered disabled state
[  749.289118] veth0: entered allmulticast mode
[  749.289165] veth0: entered promiscuous mode
[  749.292045] br0: port 2(veth1) entered blocking state
[  749.292101] br0: port 2(veth1) entered disabled state
[  749.292168] veth1: entered allmulticast mode
[  749.292252] veth1: entered promiscuous mode
[  750.330982] br0: port 1(veth0) entered blocking state
[  750.331050] br0: port 1(veth0) entered forwarding state
[  750.331111] br0: port 2(veth1) entered blocking state
[  750.331147] br0: port 2(veth1) entered forwarding state
[  751.355971] bond0: (slave veth1): link status definitely up
[  751.356082] bond0: (slave veth1): making interface the new active one
[  751.356136] bond0: active interface up!
[  751.433836] veth1: left allmulticast mode
[  751.433871] veth1: left promiscuous mode
[  751.433901] br0: port 2(veth1) entered disabled state
[  751.433984] veth0: left allmulticast mode
[  751.434004] veth0: left promiscuous mode
[  751.434029] br0: port 1(veth0) entered disabled state
[  751.455107] bond0: (slave veth1): Releasing backup interface
[  751.467058] bond0: (slave veth0): Releasing backup interface
[  751.494020] bond0 (unregistering): Released all slaves