Bug#909565: gnome-control-center: Unable to create/import (Open)VPN (Add button stays disabled)

[Bruno BEAUFILS]

Package: gnome-control-center
Version: 1:3.28.2-1
Severity: important

Dear Maintainer,

I am unable to create a VPN (openvpn) profile using the Network Manager
interface offered by the gnome-control-center. I am able to create in using
another desktop environment (tested with Mate).

When I used the gnome-control-center-and try to add a VPN in the network
section, I can import configuration file or create a new one but cannot
validate the process since the "Add" button stays disabled whatever I try.

When trying the same thing with another desktop environment, let's say Mate,
not only everything works fine, but also the created VPN can be used without
trouble once under Gnome.

I am thus not sure if the bug belongs to network-manager-openvpn-gnome, gnome-
control-center or gnome-shell.



-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.18.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8), LANGUAGE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages gnome-control-center depends on:
ii  accountsservice            0.6.45-1
ii  apg                        2.2.3.dfsg.1-5
ii  colord                     1.3.3-2
ii  desktop-file-utils         0.23-3
ii  gnome-control-center-data  1:3.28.2-1
ii  gnome-desktop3-data        3.30.0-1
ii  gnome-settings-daemon      3.30.0-1
ii  gsettings-desktop-schemas  3.28.0-1
ii  libaccountsservice0        0.6.45-1
ii  libatk1.0-0                2.30.0-1
ii  libc6                      2.27-6
ii  libcairo-gobject2          1.15.12-1
ii  libcairo2                  1.15.12-1
ii  libcanberra-gtk3-0         0.30-6
ii  libcanberra0               0.30-6
ii  libcheese-gtk25            3.28.0-1
ii  libcheese8                 3.28.0-1
ii  libclutter-1.0-0           1.26.2+dfsg-4
ii  libclutter-gtk-1.0-0       1.8.4-3
ii  libcolord-gtk1             0.1.26-2
ii  libcolord2                 1.3.3-2
ii  libcups2                   2.2.8-5
ii  libfontconfig1             2.13.0-5
ii  libgdk-pixbuf2.0-0         2.38.0+dfsg-6
ii  libglib2.0-0               2.58.1-2
ii  libgnome-bluetooth13       3.28.2-2
ii  libgnome-desktop-3-17      3.30.0-1
ii  libgoa-1.0-0b              3.30.0-1
ii  libgoa-backend-1.0-1       3.30.0-1
ii  libgrilo-0.3-0             0.3.6-1
ii  libgtk-3-0                 3.24.0-3
ii  libgtop-2.0-11             2.38.0-2
ii  libgudev-1.0-0             232-2
ii  libibus-1.0-5              1.5.19-1
ii  libkrb5-3                  1.16-2
ii  libmm-glib0                1.7.990-1
ii  libnm0                     1.12.2-3
ii  libnma0                    1.8.18-1
ii  libpango-1.0-0             1.42.4-3
ii  libpangocairo-1.0-0        1.42.4-3
ii  libpolkit-gobject-1-0      0.105-21
ii  libpulse-mainloop-glib0    12.2-2
ii  libpulse0                  12.2-2
ii  libpwquality1              1.4.0-2
ii  libsmbclient               2:4.8.5+dfsg-1
ii  libsoup2.4-1               2.64.0-2
ii  libupower-glib3            0.99.8-2
ii  libwacom2                  0.30-1
ii  libwayland-server0         1.16.0-1
ii  libx11-6                   2:1.6.6-1
ii  libxi6                     2:1.7.9-1
ii  libxml2                    2.9.4+dfsg1-7+b1

Versions of packages gnome-control-center recommends:
ii  cracklib-runtime              2.9.2-5.2+b1
ii  cups-pk-helper                0.2.6-1+b1
ii  gkbd-capplet                  3.26.0-3
ii  gnome-online-accounts         3.30.0-1
ii  gnome-user-docs               3.30.0-1
ii  gnome-user-share              3.28.0-1
ii  iso-codes                     4.1-1
ii  libcanberra-pulse             0.30-6
ii  libnss-myhostname             239-9
ii  mousetweaks                   3.12.0-4
ii  network-manager-gnome         1.8.18-1
ii  policykit-1                   0.105-21
ii  pulseaudio-module-bluetooth   12.2-2
ii  realmd                        0.16.3-2
ii  rygel                         0.36.2-1
ii  rygel-tracker                 0.36.2-1
ii  system-config-printer-common  1.5.11-2

Versions of packages gnome-control-center suggests:
ii  gnome-software           3.28.2-1
ii  gstreamer1.0-pulseaudio  1.14.3-1
ii  libcanberra-gtk-module   0.30-6
ii  libcanberra-gtk3-module  0.30-6
ii  x11-xserver-utils        7.7+8

-- no debconf information
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