[ 9.155064][ T215] bond0: (slave eth0): making interface the new active one [ 9.155575][ T215] bond0: (slave eth0): Enslaving as an active interface with an up link [ 13.443778][ T220] bond0: (slave eth0): Releasing backup interface [ 13.574014][ T223] bond0: (slave eth0): Enslaving as an active interface with an up link [ 17.803531][ T12] bond0: (slave eth0): Releasing backup interface [ 17.864230][ T12] bond0 (unregistering): Released all slaves