pkg/datapath: skip TestArpPingHandlingForMultiDevice due flakiness

This test has been flaky in the last couple days, skipping it for now
since we have an assignee to fix it.

Signed-off-by: André Martins <andre@cilium.io>

pkg/datapath/linux/node_linux_test.go

@@ -1886,6 +1886,7 @@ refetch11:
 }
 
 func (s *linuxPrivilegedIPv6OnlyTestSuite) TestArpPingHandlingForMultiDevice(c *check.C) {
+	c.Skip("Skipping due flakiness. See https://github.com/cilium/cilium/issues/22373 for more info")
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()