[ 503.632575] bond0: (slave eth0): making interface the new active one [ 503.632684] bond0: (slave eth0): Enslaving as an active interface with an up link [ 507.797310] bond0: (slave eth0): Releasing backup interface [ 507.881563] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.092642] bond0: (slave eth0): Releasing backup interface [ 512.120414] bond0 (unregistering): Released all slaves