Medium: raft: allow election for valid tickets only if the leader wants to step down
Dev: test: test for pending with the same booth list output
Dev: test: reset netem after test recover
Low: ticket: if the site is NULL, then return 0 as node id
Low: main: update messages that arbitrators cannot grant/revoke
Dev: test: run netem only for the booth port
Dev: test: fix no config error reporting