rtorrent не запускаеться.

Добрый вечер.
rtorrent не запускается, помогите пожалуйста разобраться.

rtorrent -help
Rakshasa's BitTorrent client version 0.9.7

# uname -rms
Linux 4.9.95-gentoo x86_64

# /etc/init.d/rtorrentd restart
 * Stopping rtorrent ...
pgrep: ключ должен использоваться с аргументом — «P»

Usage:
 pgrep [options] 

Options:
 -d, --delimiter   specify output delimiter
 -l, --list-name           list PID and process name
 -a, --list-full           list PID and full command line
 -v, --inverse             negates the matching
 -w, --lightweight         list all TID
 -c, --count               count of matching processes
 -f, --full                use full process name to match
 -g, --pgroup    match listed process group IDs
 -G, --group      match real group IDs
 -i, --ignore-case         match case insensitively
 -n, --newest              select most recently started
 -o, --oldest              select least recently started
 -P, --parent    match only child processes of the given parent
 -s, --session    match session IDs
 -t, --terminal   match by controlling terminal
 -u, --euid        match by effective IDs
 -U, --uid         match by real IDs
 -x, --exact               match exactly with the command name
 -F, --pidfile       read PIDs from file
 -L, --logpidfile          fail if PID file is not locked
 --ns                 match the processes that belong to the same
                           namespace as 
 --nslist          list which namespaces will be considered for
                           the --ns option.
                           Available namespaces: ipc, mnt, net, pid, user, uts

 -h, --help     display this help and exit
 -V, --version  output version information and exit

For more details see pgrep(1).                                                                                                                                                     [ !! ]
 * ERROR: rtorrentd failed to stop

Вот сам файл запуска.

# cat /etc/init.d/rtorrentd
#!/sbin/openrc-run
# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

depend() {
	use net ypbind nis
	after slapd mysqld postgresql
}

start() {
	PWHOME="$(getent passwd $USER | awk -F: '{ print $6 }')"

	ebegin "Starting rtorrent"
	env TERM="xterm" \
		start-stop-daemon \
			--start \
			--make-pidfile \
			--pidfile /var/run/rtorrentd.pid \
			--background \
			--user $USER \
			--env HOME="${PWHOME:-/home/$USER}" \
			--name rtorrent \
			--exec /usr/bin/screen -- -D -m -S rtorrentd /usr/bin/rtorrent
	eend $?
}

stop() {
	ebegin "Stopping rtorrent"
	# Because we've daemonized with screen, we need to replace the PID file with the real PID of rtorrent
	pgrep -P $(cat /var/run/rtorrentd.pid) > /var/run/rtorrentd.pid

	start-stop-daemon --stop --signal 15 \
			--pidfile /var/run/rtorrentd.pid
	eend $?
}