[  517.942414] bond0: (slave eth0): making interface the new active one
[  517.942491] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.139195] bond0: (slave eth0): Releasing backup interface
[  522.241652] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.420907] bond0: (slave eth0): Releasing backup interface
[  526.447899] bond0 (unregistering): Released all slaves