Subject: depmod: ERROR: could not open directory /lib/modules/5.10.2-gnu

From: Jonathan Brielmaier <[email-masked]>
Date: Sat, 26 Dec 2020 11:28:13 +0100

depmod doesn't seem to be happy about our paths...

```
# depmod
depmod: ERROR: could not open directory /lib/modules/5.10.2-gnu: No such
file or directory
depmod: FATAL: could not search modules: No such file or directory
```

Happens on up to date master branch:
```
$ guix system describe
Generation 129	Dec 26 2020 11:13:28	(current)
   file name: /var/guix/profiles/system-129-link
   canonical file name: /gnu/store/yb73df860bd39hzrbvhz79ydqyqfbbdh-system
   label: GNU with Linux-Libre 5.10.2
   bootloader: grub
   root device: UUID: d5e47476-ccdb-4dd5-8f69-f670d5ab25a0
   kernel:
/gnu/store/si6ly6im9ih9fpycp5zq1895y2jl4kzm-linux-libre-5.10.2/bzImage
   channels:
     guix:
       repository URL: https://git.savannah.gnu.org/git/guix.git
       branch: master
       commit: 7be871bb69b8df20e566aa3d078b8cbe453693e2
   configuration file:
/gnu/store/gy14nza51q9s8fyhd53caaf0bvv3363w-configuration.scm
```