gnome-system-tools is incompatible with resolvconf and repeated attempts in the past to modify g-s-t to make it resolvconf-compatible led nowhere.
And last time I checked, g-s-t's manner of network configuration was also incompatible with ifupdown if logical interfaces are given names different from physical interfaces. Basically, g-s-t does not play well with Debian network configuration tools.
So either don't use resolvconf or don't use the network configuration feature of g-s-t.
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Thomas Hood
Debian resolvconf maintainers
Elaborating...
gnome-system-tools is incompatible with resolvconf and repeated attempts in the past to modify g-s-t to make it resolvconf- compatible led nowhere.
And last time I checked, g-s-t's manner of network configuration was also incompatible with ifupdown if logical interfaces are given names different from physical interfaces. Basically, g-s-t does not play well with Debian network configuration tools.
So either don't use resolvconf or don't use the network configuration feature of g-s-t.
--
Thomas Hood
Debian resolvconf maintainers