[ 523.270569] bond0: (slave eth0): making interface the new active one [ 523.270687] bond0: (slave eth0): Enslaving as an active interface with an up link [ 527.438626] bond0: (slave eth0): Releasing backup interface [ 527.522891] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.668400] bond0: (slave eth0): Releasing backup interface [ 531.692370] bond0 (unregistering): Released all slaves