[ 505.087238] bond0: (slave eth0): making interface the new active one [ 505.087319] bond0: (slave eth0): Enslaving as an active interface with an up link [ 509.269280] bond0: (slave eth0): Releasing backup interface [ 509.347824] bond0: (slave eth0): Enslaving as an active interface with an up link [ 513.500500] bond0: (slave eth0): Releasing backup interface [ 513.530424] bond0 (unregistering): Released all slaves