[ 537.953968] bond0: (slave eth0): making interface the new active one [ 537.954040] bond0: (slave eth0): Enslaving as an active interface with an up link [ 542.227780] bond0: (slave eth0): Releasing backup interface [ 542.317765] bond0: (slave eth0): Enslaving as an active interface with an up link [ 546.518694] bond0: (slave eth0): Releasing backup interface [ 546.548601] bond0 (unregistering): Released all slaves