[  518.761240] bond0: (slave eth0): making interface the new active one
[  518.761357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.954278] bond0: (slave eth0): Releasing backup interface
[  523.021678] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.183245] bond0: (slave eth0): Releasing backup interface
[  527.210186] bond0 (unregistering): Released all slaves