[  514.042317] bond0: (slave eth0): making interface the new active one
[  514.042396] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.301031] bond0: (slave eth0): Releasing backup interface
[  518.410525] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.590128] bond0: (slave eth0): Releasing backup interface
[  522.616023] bond0 (unregistering): Released all slaves