[ 670.839357] bond0: (slave eth0): making interface the new active one [ 670.839491] bond0: (slave eth0): Enslaving as an active interface with an up link [ 675.017734] bond0: (slave eth0): Releasing backup interface [ 675.077066] bond0: (slave eth0): Enslaving as an active interface with an up link [ 679.240208] bond0: (slave eth0): Releasing backup interface [ 679.262262] bond0 (unregistering): Released all slaves