[  514.259306] bond0: (slave eth0): making interface the new active one
[  514.259410] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.494474] bond0: (slave eth0): Releasing backup interface
[  518.599079] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.782033] bond0: (slave eth0): Releasing backup interface
[  522.813991] bond0 (unregistering): Released all slaves