[ 541.022480] bond0: (slave eth0): making interface the new active one [ 541.022547] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.230710] bond0: (slave eth0): Releasing backup interface [ 545.318240] bond0: (slave eth0): Enslaving as an active interface with an up link [ 549.515885] bond0: (slave eth0): Releasing backup interface [ 549.544864] bond0 (unregistering): Released all slaves