Apparently, same issue occurs on openSUSE.
Upstream bug report:
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/1238
- Bug#1031891: network-manager: dnsmasq fails to get upstream ... Benoit Friry
- Bug#1031891: [Pkg-utopia-maintainers] Bug#1031891: netw... Michael Biebl
- Bug#1031891: [Pkg-utopia-maintainers] Bug#1031891: ... Benoit Friry
- Bug#1031891: [Pkg-utopia-maintainers] Bug#10318... Benoit Friry
- Bug#1031891: [Pkg-utopia-maintainers] Bug#1... Michael Biebl
- Bug#1031891: [Pkg-utopia-maintainers] Bug#1031891: netw... Michael Biebl