[ 502.574539] bond0: (slave eth0): making interface the new active one [ 502.574616] bond0: (slave eth0): Enslaving as an active interface with an up link [ 506.773659] bond0: (slave eth0): Releasing backup interface [ 506.853349] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.000289] bond0: (slave eth0): Releasing backup interface [ 511.027199] bond0 (unregistering): Released all slaves