[  517.997082] bond0: (slave eth0): making interface the new active one
[  517.997162] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.262865] bond0: (slave eth0): Releasing backup interface
[  522.372015] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.552042] bond0: (slave eth0): Releasing backup interface
[  526.591942] bond0 (unregistering): Released all slaves