Can't start NixOS lxc on Proxmox

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For anyone curious, this is my final version:

pct create $(pvesh get /cluster/nextid) \
  --description nixos-template \
  --hostname nixos-template \
  holodeck4:vztmpl/nixos-21.11-default_166445692_amd64.tar.xz \
  --arch amd64 \
  --ostype unmanaged \
  --net0 name=eth0,ip=dhcp,bridge=vmbr0,firewall=1 \
  --storage local-zfs \
  --cmode console \
  --features nesting=1 \
  --unprivileged true \
  --template true

lxc.init.cmd: /sbin/init doesn’t seem necessary. It works unprivileged + nesting.

cmode console seems to fix the console. I’m not quite sure why.

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