[  775.889684] 8021q: adding VLAN 0 to HW filter on device bond0
[  775.902353] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  775.915677] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  775.928043] br0: port 1(veth0) entered blocking state
[  775.928124] br0: port 1(veth0) entered disabled state
[  775.928194] veth0: entered allmulticast mode
[  775.928292] veth0: entered promiscuous mode
[  775.941178] br0: port 2(veth1) entered blocking state
[  775.941296] br0: port 2(veth1) entered disabled state
[  775.941375] veth1: entered allmulticast mode
[  775.941483] veth1: entered promiscuous mode
[  776.009823] br0: port 1(veth0) entered blocking state
[  776.009925] br0: port 1(veth0) entered forwarding state
[  776.010021] br0: port 2(veth1) entered blocking state
[  776.010079] br0: port 2(veth1) entered forwarding state
[  777.951841] bond0: (slave veth1): link status definitely up
[  777.951992] bond0: (slave veth1): making interface the new active one
[  777.952120] bond0: active interface up!
[  778.074315] veth1: left allmulticast mode
[  778.074381] veth1: left promiscuous mode
[  778.074437] br0: port 2(veth1) entered disabled state
[  778.074576] veth0: left allmulticast mode
[  778.074623] veth0: left promiscuous mode
[  778.074667] br0: port 1(veth0) entered disabled state
[  778.089712] bond0: (slave veth1): Releasing backup interface
[  778.094145] bond0: (slave veth0): Releasing backup interface