[ 540.311702] bond0: (slave eth0): making interface the new active one [ 540.311780] bond0: (slave eth0): Enslaving as an active interface with an up link [ 544.533163] bond0: (slave eth0): Releasing backup interface [ 544.637910] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.826908] bond0: (slave eth0): Releasing backup interface [ 548.851821] bond0 (unregistering): Released all slaves