[  518.363350] bond0: (slave eth0): making interface the new active one
[  518.363448] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.506016] bond0: (slave eth0): Releasing backup interface
[  522.566056] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.735171] bond0: (slave eth0): Releasing backup interface
[  526.773244] bond0 (unregistering): Released all slaves