[ 525.560540] bond0: (slave eth0): making interface the new active one [ 525.560637] bond0: (slave eth0): Enslaving as an active interface with an up link [ 529.748945] bond0: (slave eth0): Releasing backup interface [ 529.827326] bond0: (slave eth0): Enslaving as an active interface with an up link [ 534.035820] bond0: (slave eth0): Releasing backup interface [ 534.062845] bond0 (unregistering): Released all slaves