[  522.850059] bond0: (slave eth0): making interface the new active one
[  522.850152] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.066449] bond0: (slave eth0): Releasing backup interface
[  527.157816] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.351422] bond0: (slave eth0): Releasing backup interface
[  531.386448] bond0 (unregistering): Released all slaves