[  518.802835] bond0: (slave eth0): making interface the new active one
[  518.802921] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.038486] bond0: (slave eth0): Releasing backup interface
[  523.165734] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.380931] bond0: (slave eth0): Releasing backup interface
[  527.418831] bond0 (unregistering): Released all slaves