[  752.562296] 8021q: adding VLAN 0 to HW filter on device bond0
[  752.572078] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  752.581335] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  752.590324] br0: port 1(veth0) entered blocking state
[  752.590415] br0: port 1(veth0) entered disabled state
[  752.590475] veth0: entered allmulticast mode
[  752.590573] veth0: entered promiscuous mode
[  752.599059] br0: port 2(veth1) entered blocking state
[  752.599120] br0: port 2(veth1) entered disabled state
[  752.599158] veth1: entered allmulticast mode
[  752.599237] veth1: entered promiscuous mode
[  752.818942] br0: port 1(veth0) entered blocking state
[  752.819098] br0: port 1(veth0) entered forwarding state
[  752.819206] br0: port 2(veth1) entered blocking state
[  752.819282] br0: port 2(veth1) entered forwarding state
[  754.626919] bond0: (slave veth1): link status definitely up
[  754.627027] bond0: (slave veth1): making interface the new active one
[  754.627113] bond0: active interface up!
[  754.722684] veth1: left allmulticast mode
[  754.722761] veth1: left promiscuous mode
[  754.722812] br0: port 2(veth1) entered disabled state
[  754.722935] veth0: left allmulticast mode
[  754.723007] veth0: left promiscuous mode
[  754.723046] br0: port 1(veth0) entered disabled state
[  754.745235] bond0: (slave veth1): Releasing backup interface
[  754.750119] bond0: (slave veth0): Releasing backup interface