Correct state parser to match on icmp6.type

p4src/parsers.p4

@@ -17,6 +17,7 @@ parser MyParser(packet_in packet,
         transition select(hdr.ethernet.ethertype){
             TYPE_IPV4: ipv4;
             TYPE_IPV6: ipv6;
+
             default: accept;
         }
     }
@@ -48,7 +49,7 @@ parser MyParser(packet_in packet,
 
     state icmp6 {
         packet.extract(hdr.icmp6);
-        transition select(hdr.ipv6.next_header){
+        transition select(hdr.icmp6.type) {
             ICMP6_NS: icmp6_neighbor_solicitation;
             default: accept;
         }

p4src/static-mapping.p4

@@ -67,7 +67,6 @@ control MyIngress(inout headers hdr,
         hdr.icmp6_option_link_layer_addr.ll_length = 1; /* 1* 64 bit */
         hdr.icmp6_option_link_layer_addr.mac_addr = mac_addr;
 
-
         /* version1: rebuilding packet */
         /*
         truncate((bit<32>)(112 + 320 + 32)/8);