PKGBUILDs/extra/qemu/qemu-common.install

post_install() {
  if [[ -d /run/udev ]]; then
    local file files=(
      /sys/devices/virtual/misc/vhost-net
    )

    # trigger change event when modules are already loaded
    for file in "${files[@]}"; do
      if [[ -d $file ]]; then
        udevadm trigger --action=change "$file"
      fi
    done
  fi
}