[  749.425902] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  749.436147] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  749.445955] br0: port 1(veth0) entered blocking state
[  749.446017] br0: port 1(veth0) entered disabled state
[  749.446067] veth0: entered allmulticast mode
[  749.446167] veth0: entered promiscuous mode
[  749.455777] br0: port 2(veth1) entered blocking state
[  749.455870] br0: port 2(veth1) entered disabled state
[  749.455933] veth1: entered allmulticast mode
[  749.456031] veth1: entered promiscuous mode
[  749.536524] br0: port 1(veth0) entered blocking state
[  749.536657] br0: port 1(veth0) entered forwarding state
[  749.536760] br0: port 2(veth1) entered blocking state
[  749.536829] br0: port 2(veth1) entered forwarding state
[  751.478504] bond0: (slave veth1): link status definitely up
[  751.478649] bond0: (slave veth1): making interface the new active one
[  751.478727] bond0: active interface up!
[  751.580730] veth1: left allmulticast mode
[  751.580807] veth1: left promiscuous mode
[  751.580862] br0: port 2(veth1) entered disabled state
[  751.581039] veth0: left allmulticast mode
[  751.581086] veth0: left promiscuous mode
[  751.581133] br0: port 1(veth0) entered disabled state
[  751.607792] bond0: (slave veth1): Releasing backup interface
[  751.614728] bond0: (slave veth0): Releasing backup interface
[  751.638703] bond0 (unregistering): Released all slaves