On Tue, Apr 09, 2019 at 02:45:20PM +0200, Florian Westphal wrote: > Sven Auhagen reported that a 2nd ping request will fail if 'fully-random' > mode is used. > > Reason is that if no proto information is given, min/max are both 0, > so we set the icmp id to 0 instead of chosing a random value between > 0 and 65535. > > Update test case as well to catch this, without fix this yields: > [..] > ERROR: cannot ping ns1 from ns2 with ip masquerade fully-random (attempt 2) > ERROR: cannot ping ns1 from ns2 with ipv6 masquerade fully-random (attempt 2) > > ... becaus 2nd ping clashes with existing 'id 0' icmp conntrack and gets > dropped. Applied, thanks Florian.