Most likely due to having dec_mpls_ttl action in the group for a non-mpls packet. Try removing it and see what happens.
Jarno > On Apr 6, 2016, at 21:46, Ning Wu <nw...@cornell.edu> wrote: > > the _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev