[ 539.175173] bond0: (slave eth0): making interface the new active one [ 539.175258] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.372708] bond0: (slave eth0): Releasing backup interface [ 543.463037] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.656702] bond0: (slave eth0): Releasing backup interface [ 547.693680] bond0 (unregistering): Released all slaves