Seems fixed
<pre>vyos@r16# set load-balancing wan interface-health eth1 nexthop 192.0.2.1 [edit] vyos@r16# commit [edit] vyos@r16# exit Warning: configuration changes have not been saved. exit vyos@r16:~$ vyos@r16:~$ show wan-load-balance Interface: eth1 Status: active Last Status Change: N/A Last Interface Success: N/A Last Interface Failure: N/A Interface Failures: 0