[  748.198252] 8021q: adding VLAN 0 to HW filter on device bond0
[  748.223773] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  748.247081] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  748.270774] br0: port 1(veth0) entered blocking state
[  748.270903] br0: port 1(veth0) entered disabled state
[  748.271001] veth0: entered allmulticast mode
[  748.271139] veth0: entered promiscuous mode
[  748.297643] br0: port 2(veth1) entered blocking state
[  748.297876] br0: port 2(veth1) entered disabled state
[  748.297939] veth1: entered allmulticast mode
[  748.298094] veth1: entered promiscuous mode
[  749.277453] br0: port 1(veth0) entered blocking state
[  749.277573] br0: port 1(veth0) entered forwarding state
[  749.277677] br0: port 2(veth1) entered blocking state
[  749.277734] br0: port 2(veth1) entered forwarding state
[  751.262447] bond0: (slave veth0): link status definitely up
[  751.262568] bond0: (slave veth1): link status definitely up
[  751.262618] bond0: (slave veth0): making interface the new active one
[  751.262727] bond0: active interface up!
[  751.339018] veth1: left allmulticast mode
[  751.339082] veth1: left promiscuous mode
[  751.339146] br0: port 2(veth1) entered disabled state
[  751.339280] veth0: left allmulticast mode
[  751.339319] veth0: left promiscuous mode
[  751.339369] br0: port 1(veth0) entered disabled state
[  751.359716] bond0: (slave veth1): Releasing backup interface
[  751.367743] bond0: (slave veth0): Releasing backup interface
[  751.395726] bond0 (unregistering): Released all slaves