[  514.478642] bond0: (slave eth0): making interface the new active one
[  514.478731] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.667755] bond0: (slave eth0): Releasing backup interface
[  518.741507] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.894761] bond0: (slave eth0): Releasing backup interface
[  522.919720] bond0 (unregistering): Released all slaves