/etc/runit/runsvdir/default/getty-tty3 is in getty-run 2.1.2-9.2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /etc/runit/runsvdir/default/../../../sv/getty-tty3
/etc/runit/runsvdir/default/../../../sv/getty-tty3