FreeBSD-main-amd64-test - Build #29885 - Still Unstable

FreeBSD-main-amd64-test - Build #29885 (a97914284c2e7a7dc330f4d93218e8d7f1e758b2) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/29885/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/29885/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/29885/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)

abd7dfa09a0ed1c06924226da0285d0731273f66 by mhorne:
hwpmc: use the UMC enable bit with PerfMonV2

a97914284c2e7a7dc330f4d93218e8d7f1e758b2 by mhorne:
pmc(8): zero-initialize the event descriptor in stat mode



The failed test cases:

7 tests failed.
FAILED:  sys.netpfil.pf.syncookie.basic_v6

Error Message:
Failed to connect to syncookie protected echo daemon

FAILED:  sys.kern.ssl_sendfile.grow

Error Message:
Test case body timed out

FAILED:  sys.kern.ssl_sendfile.truncate

Error Message:
Test case body timed out

FAILED:  sys.kern.ssl_sendfile.eagain_vs_eof

Error Message:
/usr/src/tests/sys/kern/ssl_sendfile.c:485: c.sbytes == -1 not met

FAILED:  sys.net.if_lagg_test.witness

Error Message:
Lock-order reversals involving if_lagg.c detected

FAILED:  sys.netinet.udp_bindings.connect_bound_socket_from_2address_jail

Error Message:
/usr/src/tests/sys/netinet/udp_bindings.c:244: connect(s, (struct sockaddr *)&sin, sizeof(sin)) == 0 not met

FAILED:  sys.netlink.netlink_socket.overflow

Error Message:
/usr/src/tests/sys/netlink/netlink_socket.c:146: send(fd, &hdr, sizeof(hdr), 0) == sizeof(hdr) not met