[ 515.789351] bond0: (slave eth0): making interface the new active one [ 515.789449] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.025377] bond0: (slave eth0): Releasing backup interface [ 520.140084] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.319746] bond0: (slave eth0): Releasing backup interface [ 524.346050] bond0 (unregistering): Released all slaves