[  514.387553] bond0: (slave eth0): making interface the new active one
[  514.387635] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.612659] bond0: (slave eth0): Releasing backup interface
[  518.695465] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.899121] bond0: (slave eth0): Releasing backup interface
[  522.934163] bond0 (unregistering): Released all slaves