const golang.org/x/sys/unix.SOL_IP

3 uses

	golang.org/x/sys/unix (current package)
		sockcmsg_linux.go#L42: 	h.Level = SOL_IP
		sockcmsg_linux.go#L65: 	case m.Header.Level == SOL_IP && m.Header.Type == IP_ORIGDSTADDR:
		zerrors_linux.go#L2943: 	SOL_IP                                      = 0x0