[ 513.602804] bond0: (slave eth0): making interface the new active one [ 513.602880] bond0: (slave eth0): Enslaving as an active interface with an up link [ 517.851508] bond0: (slave eth0): Releasing backup interface [ 517.947619] bond0: (slave eth0): Enslaving as an active interface with an up link [ 522.144132] bond0: (slave eth0): Releasing backup interface