[  518.641613] bond0: (slave eth0): making interface the new active one
[  518.641685] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.827242] bond0: (slave eth0): Releasing backup interface
[  522.897374] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.055230] bond0: (slave eth0): Releasing backup interface
[  527.079803] bond0 (unregistering): Released all slaves