Symbol: ICMP_UNREACH_HOST_UNKNOWN
usr/src/uts/common/inet/ipf/netinet/ip_compat.h
1966
# define ICMP_UNREACH_HOST_UNKNOWN 7
usr/src/uts/common/netinet/ip_icmp.h
138
#define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */