NSH fails when make check-afxdp

[williamtu]

124: nsh - replace header                            FAILED (system-traffic.at:5964)
125: nsh - forward                                   FAILED (system-traffic.at:6019)

+2019-07-13T13:36:20.185Z|00001|odp_util(revalidator7)|WARN|
OVS_NSH_KEY_ATTR_MD1 present but declared mdtype 0 is not 1 (NSH_M_TYPE1)
+2019-07-13T13:36:20.185Z|00002|odp_util(revalidator7)|WARN|
the flow mask in error is: 
skb_priority(0),tunnel(ttl=0,flags(0)),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),recirc_id(0xffffffff),dp_hash(0),
in_port(4294967295),packet_type(ns=65535,id=0xffff),eth(src=00:00:00:00:00:00,dst=00:00:00:00:00:00),eth_type(0xffff),nsh(flags=0ttl=0,mdtype=0,np=255,spi=0xffffff,si=255), 

for the following flow key:
in_port=2,vlan_tci=0x0000,dl_src=f2:ff:00:00:00:01,dl_dst=f2:ff:00:00:00:02,dl_type=0x894f,nsh_flags=0,nsh_ttl=8,
nsh_mdtype=1,nsh_np=3,nsh_spi=0x100,nsh_si=3,
nsh_c1=0x1020304,nsh_c2=0x5060708,nsh_c3=0x90a0b0c,nsh_c4=0xd0e0f10,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0

ovsdb-server.log: