[ 521.616865] bond0: (slave eth0): making interface the new active one [ 521.616946] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.852256] bond0: (slave eth0): Releasing backup interface [ 525.958457] bond0: (slave eth0): Enslaving as an active interface with an up link [ 530.139053] bond0: (slave eth0): Releasing backup interface [ 530.173079] bond0 (unregistering): Released all slaves