When in -4 mode check that "IPv6 disabled and no IPv4 primaries"
is logged and when in -6 mode check that "IPv4 disabled and no IPv6
primaries" is logged.
(cherry picked from commit 07cdf3e945)
Copyright (C) Internet Systems Consortium, Inc. ("ISC")
SPDX-License-Identifier: MPL-2.0
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Tests of runtime checks, e.g., that named prevents duplicate processes
from running.