[  513.555315] bond0: (slave eth0): making interface the new active one
[  513.555388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.783822] bond0: (slave eth0): Releasing backup interface
[  517.878187] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.068907] bond0: (slave eth0): Releasing backup interface
[  522.093850] bond0 (unregistering): Released all slaves