Merge branch 'selftests-drv-net-fix-ping-py-test-failure'

Mohsin Bashir says:

====================
selftests: drv: net: fix `ping.py` test failure

Fix `ping.py` test failure on an ipv6 system, and appropriately handle the
cases where either one of the two address families (ipv4, ipv6) is not
present.
====================

Link: https://patch.msgid.link/20250503013518.1722913-1-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>