[  518.163991] bond0: (slave eth0): making interface the new active one
[  518.164121] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.325643] bond0: (slave eth0): Releasing backup interface
[  522.395216] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.550268] bond0: (slave eth0): Releasing backup interface
[  526.577217] bond0 (unregistering): Released all slaves