[  517.897153] bond0: (slave eth0): making interface the new active one
[  517.897243] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.136247] bond0: (slave eth0): Releasing backup interface
[  522.244660] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.416856] bond0: (slave eth0): Releasing backup interface
[  526.451841] bond0 (unregistering): Released all slaves