[  513.666738] bond0: (slave eth0): making interface the new active one
[  513.666806] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.913259] bond0: (slave eth0): Releasing backup interface
[  518.019053] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.210405] bond0: (slave eth0): Releasing backup interface
[  522.243225] bond0 (unregistering): Released all slaves