On Alpine linux, the errno unit test fails with:

14/70 DPDK:fast-tests / errno_autotest        FAIL     0.22 s (exit status 255
or signal 127 SIGinvalid)

--- command ---
08:30:31 DPDK_TEST='errno_autotest' /__w/dpdk/dpdk/build/app/test/dpdk-test
--no-huge -m 2048 --file-prefix=errno_autotest
--- stdout ---
RTE>>errno_autotest
rte_strerror: 'Resource temporarily unavailable', strerror: 'Resource
temporarily unavailable'
rte_strerror: 'Bad file descriptor', strerror: 'Bad file descriptor'
rte_strerror: 'Permission denied', strerror: 'Permission denied'
rte_strerror: 'Interrupted system call', strerror: 'Interrupted system call'
rte_strerror: 'Invalid argument', strerror: 'Invalid argument'
rte_strerror: 'Invalid call in secondary process', strerror: 'No error
information'
Error, duplicate error code 1001
Test Failed