> @@ -1015,6 +1015,11 @@
>  			mp = &(*mp)->m_next;
>  	}
>  #endif
> +
> +	/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */
> +	if ((ip6->ip6_vfc & IPV6_VERSION_MASK) !=3D IPV6_VERSION)
> +		return;
> +
>  	if (in6p->in6p_flags & IN6P_RECVDSTADDR) {
>  		*mp = sbcreatecontrol((caddr_t) &ip6->ip6_dst,
>  		    sizeof(struct in6_addr), IPV6_RECVDSTADDR, IPPROTO_IPV6);

This change is apparently broken.

Masao