[  518.539194] bond0: (slave eth0): making interface the new active one
[  518.539266] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.782371] bond0: (slave eth0): Releasing backup interface
[  522.894486] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.070571] bond0: (slave eth0): Releasing backup interface
[  527.094157] bond0 (unregistering): Released all slaves