Tor dies if you send it a HUP before it read its config, and doesn't take PTs with it
When sending tor a HUP before it has read its config, it will die, without killing its PTs. Starting tor again will then result in more PT crashes, as the ports will already be used by previous instances.
10149 ? Sl 0:00 /usr/bin/obfs4proxy managed 10581 ? Sl 0:01 /usr/bin/tor -f /etc/tor/torrc-node1 10582 ? S 0:00 \_ /usr/bin/python /usr/bin/obfsproxy managed 10583 ? Z 0:00 \_ [obfs4proxy] <defunct> 10584 ? S 0:00 \_ /usr/bin/python /usr/bin/fteproxy --managed --mode server