[  517.938601] bond0: (slave eth0): making interface the new active one
[  517.938696] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.198851] bond0: (slave eth0): Releasing backup interface
[  522.308536] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.481929] bond0: (slave eth0): Releasing backup interface
[  526.514865] bond0 (unregistering): Released all slaves