[  517.439491] bond0: (slave eth0): making interface the new active one
[  517.439566] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.644395] bond0: (slave eth0): Releasing backup interface
[  521.815299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.033290] bond0: (slave eth0): Releasing backup interface
[  526.058252] bond0 (unregistering): Released all slaves