[  518.559861] bond0: (slave eth0): making interface the new active one
[  518.559933] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.771328] bond0: (slave eth0): Releasing backup interface
[  522.848315] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.989712] bond0: (slave eth0): Releasing backup interface
[  527.027657] bond0 (unregistering): Released all slaves