[ 543.406592] bond0: (slave eth0): making interface the new active one [ 543.406663] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.604259] bond0: (slave eth0): Releasing backup interface [ 547.695359] bond0: (slave eth0): Enslaving as an active interface with an up link [ 551.886861] bond0: (slave eth0): Releasing backup interface [ 551.918846] bond0 (unregistering): Released all slaves