/etc/sv/getty-tty3/run is in getty-run 2.1.2-9.2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/sh
! type fgetty >/dev/null 2>&1 || exec chpst -P fgetty tty3
exec getty 38400 tty3 linux
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