[  514.268332] bond0: (slave eth0): making interface the new active one
[  514.268431] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.487168] bond0: (slave eth0): Releasing backup interface
[  518.580182] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.770981] bond0: (slave eth0): Releasing backup interface
[  522.801928] bond0 (unregistering): Released all slaves