[ 541.650680] bond0: (slave eth0): making interface the new active one [ 541.650756] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.873213] bond0: (slave eth0): Releasing backup interface [ 545.955276] bond0: (slave eth0): Enslaving as an active interface with an up link [ 550.161716] bond0: (slave eth0): Releasing backup interface [ 550.191689] bond0 (unregistering): Released all slaves