[  518.126146] bond0: (slave eth0): making interface the new active one
[  518.126255] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.396230] bond0: (slave eth0): Releasing backup interface
[  522.515946] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.691229] bond0: (slave eth0): Releasing backup interface
[  526.725748] bond0 (unregistering): Released all slaves