f5fcdcf cli: introduce test mode and refuse firewall restart on errors
a540f6d fw4: fix cosmetic issue with per-ruleset and per-table include paths
695e821 doc: fix swapped include positions in nftables.d README
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit ab31ffc425b59afc102f8a3275791c153f39c8f4)