[  510.656570] bond0: (slave eth0): making interface the new active one
[  510.656685] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.834656] bond0: (slave eth0): Releasing backup interface
[  514.911418] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.064550] bond0: (slave eth0): Releasing backup interface
[  519.087479] bond0 (unregistering): Released all slaves