[  517.722845] bond0: (slave eth0): making interface the new active one
[  517.723011] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.876902] bond0: (slave eth0): Releasing backup interface
[  521.966611] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.167333] bond0: (slave eth0): Releasing backup interface
[  526.204258] bond0 (unregistering): Released all slaves