[ 505.070230] bond0: (slave eth0): making interface the new active one [ 505.070338] bond0: (slave eth0): Enslaving as an active interface with an up link [ 509.269437] bond0: (slave eth0): Releasing backup interface [ 509.354889] bond0: (slave eth0): Enslaving as an active interface with an up link [ 513.492558] bond0: (slave eth0): Releasing backup interface [ 513.525346] bond0 (unregistering): Released all slaves