[  514.270379] bond0: (slave eth0): making interface the new active one
[  514.270513] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.485683] bond0: (slave eth0): Releasing backup interface
[  518.566268] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.713540] bond0: (slave eth0): Releasing backup interface
[  522.748261] bond0 (unregistering): Released all slaves