[  514.221115] bond0: (slave eth0): making interface the new active one
[  514.221195] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.494616] bond0: (slave eth0): Releasing backup interface
[  518.614018] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.847126] bond0: (slave eth0): Releasing backup interface
[  522.866930] bond0 (unregistering): Released all slaves