[ 515.589806] bond0: (slave eth0): making interface the new active one [ 515.589879] bond0: (slave eth0): Enslaving as an active interface with an up link [ 519.847844] bond0: (slave eth0): Releasing backup interface [ 519.961663] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.128156] bond0: (slave eth0): Releasing backup interface [ 524.163163] bond0 (unregistering): Released all slaves