[ 519.859682] bond0: (slave eth0): making interface the new active one [ 519.859780] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.074205] bond0: (slave eth0): Releasing backup interface [ 524.197172] bond0: (slave eth0): Enslaving as an active interface with an up link [ 528.428427] bond0: (slave eth0): Releasing backup interface [ 528.462371] bond0 (unregistering): Released all slaves