i started SSH manually ```sh systemctl status network.target ● network.target - Network Loaded: loaded (/nix/store/6raw5p0db50yc6qaysz0wik4iwillni3-systemd-243.7/example/systemd/system/network.target; linked; vendor preset: disabled) Active: active since Tue 2020-09-01 16:01:52 UTC; 3 days ago Docs: man:systemd.special(7) https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget Sep 01 16:01:52 nixos systemd[1]: Reached target Network. ```