[  525.724841] bond0: (slave eth0): making interface the new active one
[  525.724911] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.932511] bond0: (slave eth0): Releasing backup interface
[  530.024669] bond0: (slave eth0): Enslaving as an active interface with an up link
[  534.225556] bond0: (slave eth0): Releasing backup interface
[  534.263440] bond0 (unregistering): Released all slaves