Automated report: NetBSD-current/evbarm-aarch64 test failure

[NetBSD Test Fixture <bracket%NetBSD.org@localhost>]

This is an automatically generated notice of a new failure of the
NetBSD test suite.

The newly failing test case is:

    kernel/t_umount:umount

The above test failed in each of the last 4 test runs, and passed in
at least 26 consecutive runs before that.

The following commits were made between the last successful test and
the first failed test:

    2025.08.12.00.32.16 kre src/bin/sh/cd.c 1.54
    2025.08.12.01.04.35 kre src/bin/sh/cd.c 1.55
    2025.08.12.04.45.48 knakahara src/sys/netipsec/ipsec_input.c 1.82

Logs can be found at:

    https://releng.NetBSD.org/b5reports/evbarm-aarch64/commits-2025.08.html#2025.08.12.04.45.48