buildroot/package/swupdate/swupdate.socket

[Unit]
Description=SWUpdate socket listener
Documentation=https://github.com/sbabic/swupdate
Documentation=https://sbabic.github.io/swupdate

[Socket]
ListenStream=/tmp/sockinstctrl
ListenStream=/tmp/swupdateprog

[Install]
WantedBy=sockets.target