Thanks to Laney I now know that iptables is actually hanging in what seems to be a busy loop:
ubuntu 717 0.0 0.7 22976 11968 ? S 08:36 0:00 | \_ sshd: ubuntu@notty root 3715 0.0 0.6 16064 9536 ? Ss 08:36 0:00 | \_ sudo -n /tmp/autopkgtest-run-wrapper env ADT_TEST_TRIGGERS=iptables/1.8.3-2ubuntu1 sh -ec su --shell=/bin/sh ubuntu -c 'set -e; exec 3>&1 >&2; set -x; cd /tmp/autopkgtest.eeLwnO/build.zyB/src; DEB_BUILD_OPTIONS="parallel=1 $DEB_BUILD_OPTIONS" dpkg-buildpackage -us -uc -b; dpkg-source --before-build .' root 3716 0.0 0.1 11200 1920 ? S 08:36 0:00 | \_ /bin/bash /tmp/autopkgtest-run-wrapper env ADT_TEST_TRIGGERS=iptables/1.8.3-2ubuntu1 sh -ec su --shell=/bin/sh ubuntu -c 'set -e; exec 3>&1 >&2; set -x; cd /tmp/autopkgtest.eeLwnO/build.zyB/src; DEB_BUILD_OPTIONS="parallel=1 $DEB_BUILD_OPTIONS" dpkg-buildpackage -us -uc -b; dpkg-source --before-build .' root 3718 0.0 0.0 3520 1408 ? S 08:36 0:00 | \_ sh -ec su --shell=/bin/sh ubuntu -c 'set -e; exec 3>&1 >&2; set -x; cd /tmp/autopkgtest.eeLwnO/build.zyB/src; DEB_BUILD_OPTIONS="parallel=1 $DEB_BUILD_OPTIONS" dpkg-buildpackage -us -uc -b; dpkg-source --before-build .' root 3719 0.0 0.5 15680 8960 ? S 08:36 0:00 | \_ su --shell=/bin/sh ubuntu -c set -e; exec 3>&1 >&2; set -x; cd /tmp/autopkgtest.eeLwnO/build.zyB/src; DEB_BUILD_OPTIONS="parallel=1 $DEB_BUILD_OPTIONS" dpkg-buildpackage -us -uc -b; dpkg-source --before-build . ubuntu 3720 0.0 0.0 3520 1344 ? Ss 08:36 0:00 | \_ sh -c set -e; exec 3>&1 >&2; set -x; cd /tmp/autopkgtest.eeLwnO/build.zyB/src; DEB_BUILD_OPTIONS="parallel=1 $DEB_BUILD_OPTIONS" dpkg-buildpackage -us -uc -b; dpkg-source --before-build . ubuntu 3721 0.0 1.3 28416 21120 ? S 08:36 0:00 | \_ /usr/bin/perl /usr/bin/dpkg-buildpackage -us -uc -b ubuntu 3810 0.0 0.0 3520 1344 ? S 08:36 0:00 | \_ /bin/sh /usr/bin/fakeroot debian/rules binary ubuntu 3825 0.0 0.1 9728 1728 ? S 08:36 0:00 | \_ /usr/bin/make -f debian/rules binary ubuntu 3835 0.0 0.1 3904 1792 ? S 08:36 0:00 | \_ /bin/sh ./run_tests.sh -i /usr/bin/python2 ubuntu 3854 1.0 3.4 58048 53952 ? S 08:36 1:54 | \_ /usr/bin/python2 ./tests/unit/runner.py ubuntu 25819 99.9 0.1 5312 2368 ? R 08:39 173:53 | \_ /sbin/iptables -N ufw-caps-testZNBjxu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840633 Title: autopkgtests get stuck in Eoan with iptables 1.8.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ufw/+bug/1840633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs