[ 504.280333] bond0: (slave eth0): making interface the new active one [ 504.280409] bond0: (slave eth0): Enslaving as an active interface with an up link [ 508.425110] bond0: (slave eth0): Releasing backup interface [ 508.496993] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.650436] bond0: (slave eth0): Releasing backup interface [ 512.678351] bond0 (unregistering): Released all slaves