[  519.967965] bond0: (slave eth0): making interface the new active one
[  519.968032] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.109070] bond0: (slave eth0): Releasing backup interface
[  524.172244] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.337979] bond0: (slave eth0): Releasing backup interface
[  528.367637] bond0 (unregistering): Released all slaves