[ 503.620826] bond0: (slave eth0): making interface the new active one [ 503.620921] bond0: (slave eth0): Enslaving as an active interface with an up link [ 507.797068] bond0: (slave eth0): Releasing backup interface [ 507.886899] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.077985] bond0: (slave eth0): Releasing backup interface [ 512.106941] bond0 (unregistering): Released all slaves