[ 517.087575] bond0: (slave eth0): making interface the new active one [ 517.087684] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.304173] bond0: (slave eth0): Releasing backup interface [ 521.400982] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.594016] bond0: (slave eth0): Releasing backup interface [ 525.612964] bond0 (unregistering): Released all slaves