[ 740.692092] bond0: (slave eth0): making interface the new active one [ 740.692189] bond0: (slave eth0): Enslaving as an active interface with an up link [ 744.842691] bond0: (slave eth0): Releasing backup interface [ 744.918064] bond0: (slave eth0): Enslaving as an active interface with an up link [ 749.071596] bond0: (slave eth0): Releasing backup interface [ 749.101435] bond0 (unregistering): Released all slaves