[  518.289557] bond0: (slave eth0): making interface the new active one
[  518.289624] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.515082] bond0: (slave eth0): Releasing backup interface
[  522.616778] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.804873] bond0: (slave eth0): Releasing backup interface
[  526.829976] bond0 (unregistering): Released all slaves