[ 539.038895] bond0: (slave eth0): making interface the new active one [ 539.038985] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.247354] bond0: (slave eth0): Releasing backup interface [ 543.334003] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.536791] bond0: (slave eth0): Releasing backup interface [ 547.563695] bond0 (unregistering): Released all slaves