[  514.279169] bond0: (slave eth0): making interface the new active one
[  514.279269] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.473217] bond0: (slave eth0): Releasing backup interface
[  518.545720] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.703198] bond0: (slave eth0): Releasing backup interface
[  522.730113] bond0 (unregistering): Released all slaves