[  518.315459] bond0: (slave eth0): making interface the new active one
[  518.315563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.514458] bond0: (slave eth0): Releasing backup interface
[  522.586306] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.744239] bond0: (slave eth0): Releasing backup interface
[  526.766210] bond0 (unregistering): Released all slaves