dev: fix: start openswitch containers without tty
dev: fix: start openswitch containers without tty

systemd will try to use the TTY if given one (mapped to /dev/console).
As the container's init process is most likely detached this TTY will
not be functional. This will leave to very slow journaling as systemd
tries to write to /dev/console.

fonsecamau/topology_docker_openswitch,HPENetworking/topology_docker_openswitch