[  514.514235] bond0: (slave eth0): making interface the new active one
[  514.514349] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.666270] bond0: (slave eth0): Releasing backup interface
[  518.739476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.887335] bond0: (slave eth0): Releasing backup interface
[  522.921157] bond0 (unregistering): Released all slaves