[  513.537193] bond0: (slave eth0): making interface the new active one
[  513.537273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.779853] bond0: (slave eth0): Releasing backup interface
[  517.903332] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.069964] bond0: (slave eth0): Releasing backup interface
[  522.101905] bond0 (unregistering): Released all slaves