[  518.194745] bond0: (slave eth0): making interface the new active one
[  518.194845] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.385031] bond0: (slave eth0): Releasing backup interface
[  522.462533] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.610728] bond0: (slave eth0): Releasing backup interface
[  526.645806] bond0 (unregistering): Released all slaves