When I start systemd-docker directly, I get this error: root@tina:~# /usr/bin/systemd-docker run -p 127.0.0.1:10000:10000 --rm --name tau-alert moritzlenz/tau-alert docker: Error response from daemon: driver failed programming external connectivity on endpoint tau-alert (e06175d196da0a900cb6cfa34c3e083fbf34c8773b0ce9b065b6cf1b6a4ad8cc): Bind for 127.0.0.1:10000 failed: port is already allocated.
I don't know what "allocated" means in this context, it's not in use at least: root@tina:~# netstat -tlpen|grep 10000|wc -l 0 -- Moritz Lenz https://deploybook.com/ -- https://perlgeek.de/ -- https://perl6.org/

