[  506.245783] bond0: (slave eth0): making interface the new active one
[  506.245875] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.485452] bond0: (slave eth0): Releasing backup interface
[  510.594099] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.777808] bond0: (slave eth0): Releasing backup interface
[  514.807695] bond0 (unregistering): Released all slaves