[  514.196964] bond0: (slave eth0): making interface the new active one
[  514.197046] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.427753] bond0: (slave eth0): Releasing backup interface
[  518.540020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.711124] bond0: (slave eth0): Releasing backup interface
[  522.747163] bond0 (unregistering): Released all slaves