[ 505.439971] bond0: (slave eth0): making interface the new active one [ 505.440046] bond0: (slave eth0): Enslaving as an active interface with an up link [ 509.653114] bond0: (slave eth0): Releasing backup interface [ 509.735180] bond0: (slave eth0): Enslaving as an active interface with an up link [ 513.881993] bond0: (slave eth0): Releasing backup interface