default DROP policy on firewall reload also for IPv6
default DROP policy on firewall reload also for IPv6

Signed-off-by: Benjamin Böhmke <fe09bc2ef2737a3258f978e26226dcbac1b3f948@boehmke.net>

nalind/docker,cpuguy83/docker,nawawi/docker,moul/docker,docker/docker,bearstech/moby,vdemeester/docker,Ramzec/docker,moby/moby,Mokolea/docker,vdemeester/docker,moul/docker,bearstech/moby,flavio/docker,moby/moby,paralin/docker,nalind/docker,trebonian/docker,Mokolea/docker,docker/docker,konstruktoid/docker-upstream,Ramzec/docker,flavio/docker,trebonian/docker,flavio/docker,cpuguy83/docker,flavio/docker,moul/docker,Mokolea/docker,moby/moby,jameszhan/docker,docker/docker,trebonian/docker,jameszhan/docker,thaJeztah/docker,konstruktoid/docker-upstream,nalind/docker,gnailuy/docker,moby/moby,bearstech/moby,jameszhan/docker,mahak/docker,jimjag/docker,mahak/docker,gnailuy/docker,yosifkit/docker,thaJeztah/docker,gnailuy/docker,Ramzec/docker,nawawi/docker,cpuguy83/docker,paralin/docker,djs55/docker,jimjag/docker,moul/docker,yosifkit/docker,Mokolea/docker,mahak/docker,thaJeztah/docker,yosifkit/docker,konstruktoid/docker-upstream,djs55/docker,thaJeztah/docker,jthelin/docker,yosifkit/docker,bearstech/moby,nalind/docker,mahak/docker,cpuguy83/docker,jthelin/docker,trebonian/docker,paralin/docker,djs55/docker,gnailuy/docker,konstruktoid/docker-upstream,nawawi/docker,vdemeester/docker,paralin/docker,nawawi/docker,Ramzec/docker,jimjag/docker,AkihiroSuda/docker,AkihiroSuda/docker,AkihiroSuda/docker,AkihiroSuda/docker,jimjag/docker