[ 519.995841] bond0: (slave eth0): making interface the new active one [ 519.995936] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.192465] bond0: (slave eth0): Releasing backup interface [ 524.321618] bond0: (slave eth0): Enslaving as an active interface with an up link [ 528.542981] bond0: (slave eth0): Releasing backup interface [ 528.575997] bond0 (unregistering): Released all slaves