It took some effort getting a backtrace (apport didn't pick it up, for some reason, so I had to resort to systemd-corectl), but anyway, here is is. I'll add it to the upstream bug, too.
** Attachment added: "backtrace.txt" https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1815742/+attachment/5238664/+files/backtrace.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1815742 Title: latest network-manager segfaults in disco To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1815742/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs