[ 515.832255] bond0: (slave eth0): making interface the new active one [ 515.832334] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.024640] bond0: (slave eth0): Releasing backup interface [ 520.134515] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.314093] bond0: (slave eth0): Releasing backup interface [ 524.350025] bond0 (unregistering): Released all slaves