this derivation will be built:
  /nix/store/s3gn6xl5ri6qlckjy08f0bw89vjzybrp-structure-zerotier-mss-clamp.drv
building '/nix/store/s3gn6xl5ri6qlckjy08f0bw89vjzybrp-structure-zerotier-mss-clamp.drv'

upload niks3: ok