[  518.338584] bond0: (slave eth0): making interface the new active one
[  518.338690] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.515828] bond0: (slave eth0): Releasing backup interface
[  522.589835] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.741284] bond0: (slave eth0): Releasing backup interface
[  526.767196] bond0 (unregistering): Released all slaves