[ 512.992098] bond0: (slave eth0): making interface the new active one [ 512.992240] bond0: (slave eth0): Enslaving as an active interface with an up link [ 517.209172] bond0: (slave eth0): Releasing backup interface [ 517.293145] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.435465] bond0: (slave eth0): Releasing backup interface [ 521.462440] bond0 (unregistering): Released all slaves