[ 522.523774] bond0: (slave eth0): making interface the new active one [ 522.523850] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.736146] bond0: (slave eth0): Releasing backup interface [ 526.818193] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.020898] bond0: (slave eth0): Releasing backup interface [ 531.055048] bond0 (unregistering): Released all slaves