[ 537.387028] bond0: (slave eth0): making interface the new active one [ 537.387100] bond0: (slave eth0): Enslaving as an active interface with an up link [ 541.605267] bond0: (slave eth0): Releasing backup interface [ 541.691994] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.886824] bond0: (slave eth0): Releasing backup interface [ 545.914845] bond0 (unregistering): Released all slaves