[  518.714317] bond0: (slave eth0): making interface the new active one
[  518.714415] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.975763] bond0: (slave eth0): Releasing backup interface
[  523.084774] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.251132] bond0: (slave eth0): Releasing backup interface
[  527.284134] bond0 (unregistering): Released all slaves