[  518.416466] bond0: (slave eth0): making interface the new active one
[  518.416536] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.649571] bond0: (slave eth0): Releasing backup interface
[  522.754565] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.935189] bond0: (slave eth0): Releasing backup interface
[  526.966115] bond0 (unregistering): Released all slaves