[  518.718442] bond0: (slave eth0): making interface the new active one
[  518.718550] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.902000] bond0: (slave eth0): Releasing backup interface
[  522.968115] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.122064] bond0: (slave eth0): Releasing backup interface
[  527.163089] bond0 (unregistering): Released all slaves