[  519.852719] bond0: (slave eth0): making interface the new active one
[  519.852811] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.040732] bond0: (slave eth0): Releasing backup interface
[  524.105458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.268960] bond0: (slave eth0): Releasing backup interface
[  528.293407] bond0 (unregistering): Released all slaves