Mailman timers were generating an ordering cycle:
network.target: Found ordering cycle on wicked.service/start
network.target: Found dependency on basic.target/start
network.target: Found dependency on mailman-notify.timer/start
network.target: Found dependency on time-sync.target/start
network.target: Found dependency on chronyd.service/start
network.target: Found dependency on network.target/start
Started Journal Service.
network.target: Job wicked.service/start deleted to break ordering cycle starting with network.target/start
chronyd.service: Found ordering cycle on nss-lookup.target/start
chronyd.service: Found dependency on nscd.service/start
chronyd.service: Found dependency on basic.target/start
chronyd.service: Found dependency on mailman-notify.timer/start
chronyd.service: Found dependency on time-sync.target/start
chronyd.service: Found dependency on chronyd.service/start
chronyd.service: Job nss-lookup.target/start deleted to break ordering cycle starting with chronyd.service/start
wickedd-nanny.service: Found ordering cycle on basic.target/start
wickedd-nanny.service: Found dependency on mailman-notify.timer/start
wickedd-nanny.service: Found dependency on time-sync.target/start
wickedd-nanny.service: Found dependency on chronyd.service/start
wickedd-nanny.service: Found dependency on network.target/start
wickedd-nanny.service: Found dependency on wickedd-nanny.service/start
wickedd-nanny.service: Job mailman-notify.timer/start deleted to break ordering cycle starting with wickedd-nanny.service/start
wickedd-nanny.service: Found ordering cycle on basic.target/start
wickedd-nanny.service: Found dependency on mailman-digests.timer/start
wickedd-nanny.service: Found dependency on time-sync.target/start
wickedd-nanny.service: Found dependency on chronyd.service/start
wickedd-nanny.service: Found dependency on network.target/start
wickedd-nanny.service: Found dependency on wickedd-nanny.service/start
wickedd-nanny.service: Job mailman-digests.timer/start deleted to break ordering cycle starting with wickedd-nanny.service/start
Using the correct timers.target fixes the issue.
OBS-URL: https://build.opensuse.org/request/show/1043013
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:mailman/python-mailman?expand=0&rev=74