DVMRP_NF_TUNNEL
if (flags & DVMRP_NF_TUNNEL)
nb->flags & DVMRP_NF_TUNNEL ? "E" : "P",
if (flags & DVMRP_NF_TUNNEL)
rflags |= DVMRP_NF_TUNNEL;
if (rflags & DVMRP_NF_TUNNEL)
if (flags & DVMRP_NF_TUNNEL)