tests/functional/ppc: skip remote interrupts test if -net user not built
While running remote interrupts test, without libslirp-devel installed, facing the following panic logs. File ... raise VMLaunchFailure( ...<3 lines>... ) from exc ... Output: qemu-system-ppc64: -netdev user,id=net0: network backend 'user' is not compiled into this binary Adding netdev user requirement for this test. Suggested-by: Amit Machhiwal <amachhiw@linux.ibm.com> Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com> Suggested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Fixes: 63f5ba80921 ("tests/functional: Add remote interrupts test for PowerNV") Signed-off-by: Shivang Upadhyay <shivangu@linux.ibm.com> Tested-by: Amit Machhiwal <amachhiw@linux.ibm.com> Message-ID: <20260728074612.42397-1-shivangu@linux.ibm.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>