S390x self-test failure, timeout related?

Hi. The 0.11.1 release builds fine in Debian (great job!), except for s390x:

https://buildd.debian.org/status/fetch.php?pkg=libssh&arch=s390x&ver=0.11.1-1&stamp=1725437646&raw=0

8: [ RUN      ] torture_timeout_elapsed
8: [  ERROR   ] --- ssh_timeout_elapsed(&ts,75)
8: [   LINE   ] --- ./tests/unittests/torture_misc.c:232: error: Failure!
8: [  FAILED  ] torture_timeout_elapsed

Any ideas what trigger this?

I have a suspicion that this build platform is slow, and IIRC there is some ctest timeout in play that kills jobs running longer than 1500 seconds. But I'm not sure this is the case. Do you recognize this error message?

Thanks.