[ 520.001414] bond0: (slave eth0): making interface the new active one [ 520.001510] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.250598] bond0: (slave eth0): Releasing backup interface [ 524.357251] bond0: (slave eth0): Enslaving as an active interface with an up link [ 528.540009] bond0: (slave eth0): Releasing backup interface [ 528.573053] bond0 (unregistering): Released all slaves