[ 504.808787] bond0: (slave eth0): making interface the new active one [ 504.808915] bond0: (slave eth0): Enslaving as an active interface with an up link [ 509.013792] bond0: (slave eth0): Releasing backup interface [ 509.080383] bond0: (slave eth0): Enslaving as an active interface with an up link [ 513.244004] bond0: (slave eth0): Releasing backup interface [ 513.276396] bond0 (unregistering): Released all slaves