Sorry for the late response. When I just uninstalled and re-installed wireshark, all went well, and dumpcap has the permissions and capabilities it needs:
$ ls -alh /usr/bin/dumpcap -rwxr-xr-- 1 root wireshark 95K Mär 9 09:33 /usr/bin/dumpcap $ sudo getcap -v /usr/bin/dumpcap /usr/bin/dumpcap = cap_net_admin,cap_net_raw+eip Cheers, C:
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