FreeBSD-stable-15-amd64-test - Build #1190 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #1190 (3720eae2ba39d7a4c76997fed0255bfa7cd8800c) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1190/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1190/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1190/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)

4e9d2e743f9f266a63dc8d43fd3022959d2537b1 by cperciva:
mkimg: Check for realloc failure

2c085d5bbdff38e0d237913158c04681de18e35e by cperciva:
mkimg: Avoid leaking a page of mmap

207d505b3222e751b167c66c2049f785f8d26ac8 by cperciva:
mkimg: Add image_buffer_region

646efd646bce9d1dcc8cb86355d7b1d54405be23 by cperciva:
mkimg: Make vmdk's desc_fmt slightly more generic

94deb9c1c6bbf8a469a686ca261962ecc2b948cd by cperciva:
mkimg: Add support for stream-optimized VMDK

dad0a3785b9863cfc39e8219761a3a342a8997dd by cperciva:
mkimg.1: Document new vmdks format

aa59f16dae9ce8166a2b11160af08c6fa099e79e by cperciva:
__FreeBSD_version: Bump for mkimg -f vmdks

bce513de1c86b1cdf80f5c24593f16d0834eb869 by cperciva:
mkimg: Add tests for vmdks format

3720eae2ba39d7a4c76997fed0255bfa7cd8800c by cperciva:
EC2: Pass --vmdk to bsdec2-image-upload if needed



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.pf.igmp.py.TestIGMP::test_ip_opts

Error Message:
/usr/local/lib/python3.12/site-packages/scapy/packet.py:1985: AttributeError

FAILED:  lib.libexecinfo.sigtramp_test.test_backtrace_sigtramp

Error Message:
/usr/src/lib/libexecinfo/tests/sigtramp_test.c:30: n > 1 not met