[ 542.872550] bond0: (slave eth0): making interface the new active one [ 542.872632] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.091859] bond0: (slave eth0): Releasing backup interface [ 547.187694] bond0: (slave eth0): Enslaving as an active interface with an up link [ 551.386647] bond0: (slave eth0): Releasing backup interface [ 551.418704] bond0 (unregistering): Released all slaves