root@omv:~# apt-get update
Get:1 file:/var/cache/openmediavault/archives  InRelease
Ign:1 file:/var/cache/openmediavault/archives  InRelease
Get:2 file:/var/cache/openmediavault/archives  Release
Ign:2 file:/var/cache/openmediavault/archives  Release
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Ign:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Get:3 file:/var/cache/openmediavault/archives  Packages
Get:4 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:4 file:/var/cache/openmediavault/archives  Contents (deb)
Get:5 file:/var/cache/openmediavault/archives  Contents (deb)
Ign:5 file:/var/cache/openmediavault/archives  Contents (deb)
Hit:6 http://security.debian.org stretch/updates InRelease
Hit:7 http://apt.armbian.com stretch InRelease
Hit:9 http://packages.openmediavault.org/public arrakis InRelease
Hit:11 https://openmediavault.github.io/packages arrakis InRelease
Hit:12 http://packages.openmediavault.org/public arrakis-proposed InRelease
Hit:13 https://download.docker.com/linux/debian stretch InRelease
Ign:15 https://dl.bintray.com/openmediavault-plugin-developers/arrakis stretch InRelease
Ign:8 http://cdn-fastly.deb.debian.org/debian stretch InRelease
Ign:16 https://dl.bintray.com/openmediavault-plugin-developers/arrakis-docker stretch InRelease
Hit:10 http://cdn-fastly.deb.debian.org/debian stretch-updates InRelease
Get:18 https://dl.bintray.com/openmediavault-plugin-developers/arrakis stretch Release [4,389 B]
Hit:19 https://archive.raspberrypi.org/debian stretch InRelease
Hit:18 https://dl.bintray.com/openmediavault-plugin-developers/arrakis stretch Release
Hit:14 http://cdn-fastly.deb.debian.org/debian stretch-backports InRelease
Hit:17 http://cdn-fastly.deb.debian.org/debian stretch Release
Get:20 https://dl.bintray.com/openmediavault-plugin-developers/arrakis-docker stretch Release [3,540 B]
Hit:20 https://dl.bintray.com/openmediavault-plugin-developers/arrakis-docker stretch Release
Exception ignored in: <function WeakValueDictionary.__init__.<locals>.remove at 0x76322390>
Traceback (most recent call last):
  File "/usr/lib/python3.5/weakref.py", line 117, in remove
TypeError: 'NoneType' object is not callable
Exception ignored in: <function WeakValueDictionary.__init__.<locals>.remove at 0x76322390>
Traceback (most recent call last):
  File "/usr/lib/python3.5/weakref.py", line 117, in remove
TypeError: 'NoneType' object is not callable
Reading package lists... Done