[  751.589056] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.601916] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  751.615391] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  751.627020] br0: port 1(veth0) entered blocking state
[  751.627088] br0: port 1(veth0) entered disabled state
[  751.627152] veth0: entered allmulticast mode
[  751.627240] veth0: entered promiscuous mode
[  751.640826] br0: port 2(veth1) entered blocking state
[  751.640922] br0: port 2(veth1) entered disabled state
[  751.640973] veth1: entered allmulticast mode
[  751.641071] veth1: entered promiscuous mode
[  751.697955] br0: port 1(veth0) entered blocking state
[  751.698058] br0: port 1(veth0) entered forwarding state
[  751.698166] br0: port 2(veth1) entered blocking state
[  751.698252] br0: port 2(veth1) entered forwarding state
[  753.640953] bond0: (slave veth1): link status definitely up
[  753.641150] bond0: (slave veth1): making interface the new active one
[  753.641290] bond0: active interface up!
[  753.847084] veth1: left allmulticast mode
[  753.847943] veth1: left promiscuous mode
[  753.850883] br0: port 2(veth1) entered disabled state
[  753.851761] veth0: left allmulticast mode
[  753.852163] veth0: left promiscuous mode
[  753.852338] br0: port 1(veth0) entered disabled state
[  753.865529] bond0: (slave veth1): Releasing backup interface
[  753.871466] bond0: (slave veth0): Releasing backup interface
[  753.899444] bond0 (unregistering): Released all slaves