provide package from upstream for running unpriviliged lxc containers on the TO
Apparently this package being essential for running unprivilged containers on OpenWRT, however it appears absent from the TO repo.
cross reference https://patchwork.ozlabs.org/patch/844848/
It would nessessitate an up to date shadow package https://patchwork.ozlabs.org/patch/837829/ for newgidmap and newuidmap mapping.