Ran into something similar just now. A bit of internet searching suggested<1><2> that it was due to systemd's internal state getting out of sync, and indeed running "systemctl daemon-reload" made it go away.
<1> https://github.com/NixOS/nixpkgs/issues/2584 <2> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774153
Ran into something similar just now. A bit of internet searching suggested<1><2> that it was due to systemd's internal state getting out of sync, and indeed running "systemctl daemon-reload" made it go away.
<1> https:/ /github. com/NixOS/ nixpkgs/ issues/ 2584 /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 774153
<2> https:/