this derivation will be built:
  /nix/store/gcj3kpc27qs3d57mz5wj6538nyvd5h2b-structure-zerotier-mss-clamp.drv
building '/nix/store/gcj3kpc27qs3d57mz5wj6538nyvd5h2b-structure-zerotier-mss-clamp.drv'

upload niks3: ok