[  514.000861] bond0: (slave eth0): making interface the new active one
[  514.000941] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.237951] bond0: (slave eth0): Releasing backup interface
[  518.362868] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.583161] bond0: (slave eth0): Releasing backup interface
[  522.611986] bond0 (unregistering): Released all slaves