[  507.225313] bond0: (slave eth0): making interface the new active one
[  507.225415] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.377780] bond0: (slave eth0): Releasing backup interface
[  511.448731] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.603267] bond0: (slave eth0): Releasing backup interface
[  515.647205] bond0 (unregistering): Released all slaves