Sets action for a Link Fault event .
<interface xmlns="urn:brocade.com:mgmt:brocade-interface"> <ethernet> <name>{req_val}</name> <link-oam-interface xmlns="urn:brocade.com:mgmt:brocade-dot3ah"> <remote-failure> <link-fault> <link-fault-action/> </link-fault> </remote-failure> </link-oam-interface> </ethernet> </interface>