[ 773.409792][ T8513] bond0: (slave eth0): making interface the new active one [ 773.411175][ T8513] bond0: (slave eth0): Enslaving as an active interface with an up link [ 778.110344][ T8517] bond0: (slave eth0): Releasing backup interface [ 778.693718][ T8520] bond0: (slave eth0): Enslaving as an active interface with an up link [ 783.362864][ T66] bond0: (slave eth0): Releasing backup interface [ 783.604143][ T66] bond0 (unregistering): Released all slaves