[ 536.551646] bond0: (slave eth0): making interface the new active one [ 536.551737] bond0: (slave eth0): Enslaving as an active interface with an up link [ 540.759638] bond0: (slave eth0): Releasing backup interface [ 540.855308] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.044030] bond0: (slave eth0): Releasing backup interface [ 545.072965] bond0 (unregistering): Released all slaves