FreeBSD-main-amd64-test - Build #26004 - Still Unstable

FreeBSD-main-amd64-test - Build #26004 (ecccb638d494f2642f1e2eae8ad932ba70567ccc) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26004/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26004/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26004/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

da1deb784d9ad3a4015a3f91fa1a5ce394fd3fdb by whu:
Hyper-V: hn: rewrite hn rsc swtich to avoid sysctl hang

dc4b36b96333f2ab05f3c454f0df2e0a0d4d451d by jlduran:
nanobsd: Always define the partition index

841856570e7b623c4f1283939936ffa005d2fcf4 by jlduran:
csu tests: Remove extra slash

bccaf0262dcab84be49c42cc6b7a81c279c44b62 by jlduran:
libopencsd: Remove extra slashes

88d448ec815c1fda27be94846f88ccd96251febd by jlduran:
mk: Move vm stack test debug symbols

bb0348a17974d83671becbd32ea0e4bd2ea61906 by zlei:
ifnet: Make if_detach_internal() and if_vmove() void

1ed9b381d4701fc9f66741256e93b96e22273217 by zlei:
ifnet: Detach BPF descriptors on interface vmove event

955f974a1a37cf3ae8b241327b1fef74c8932855 by jlduran:
mk: Add missing escape character

ecccb638d494f2642f1e2eae8ad932ba70567ccc by emaste:
mountd: Promote missing netmask log to LOG_ERR



The failed test cases:

1 tests failed.
FAILED:  sys.net.routing.test_routing_l3.py.TestIfOps::test_change_prefix_route[inet]

Error Message:
/usr/tests/sys/net/routing/test_routing_l3.py:42: AssertionError