After adding a validator in https://github.com/vyos/vyos-1x/commit/740ace13f36b78583434eabfbd324cf3d29e909d#diff-2e443a3ad946b9aac32fbe9d29f8e119
'infinity' can no longer be set.
set service router-advert interface eth0 default-lifetime '1800' set service router-advert interface eth0 default-preference 'high' set service router-advert interface eth0 hop-limit '64' set service router-advert interface eth0 interval max '30' set service router-advert interface eth0 link-mtu '1500' set service router-advert interface eth0 name-server '2001:db8:200::1' set service router-advert interface eth0 name-server '2001:db8:200::2' set service router-advert interface eth0 prefix 2001:db8:200:50::/64 valid-lifetime 'infinity' set service router-advert interface eth0 reachable-time '0' set service router-advert interface eth0 retrans-timer '0'
It used to work in VyOS 1.3-rolling-202006150117