Errors

  [[ ! -e ${TAP_PATH} ]] && [[ -e /dev0/${TAP_PATH##*/} ]] && ln -s /dev0/${TAP_PATH##*/} ${TAP_PATH}

  if [[ ! -e ${TAP_PATH} ]]; then

    if ! mknod ${TAP_PATH} c $MAJOR $MINOR >/dev/null 2>&1; then

    if ! mknod ${TAP_PATH} c $MAJOR $MINOR ; then

      echo "ERROR: Cannot mknod: ${TAP_PATH}" && exit 20

    fi

  fi

  if ! exec 30>>$TAP_PATH >/dev/null 2>&1; then

  if ! exec 30>>$TAP_PATH; then

    echo "ERROR: Please add the following docker variable to your container: --device-cgroup-rule='c ${MAJOR}:* rwm'" && exit 21

  fi

  if ! exec 40>>/dev/vhost-net >/dev/null 2>&1; then

  if ! exec 40>>/dev/vhost-net; then

    echo "ERROR: Cannot find vhost!" && exit 22 

  fi