{&OpError{Op: "op", Err: syscall.EINVAL}, false},
		{&OpError{Op: "op", Err: &os.SyscallError{Syscall: "syscall", Err: syscall.EINVAL}}, false},
	} {
		if ok := spuriousENOTAVAIL(tt.error); ok != tt.ok {
			t.Errorf("spuriousENOTAVAIL(%v) = %v; want %v", tt.error, ok, tt.ok)
		}
	}

	// a different reason.
	//
	// The kernel socket code is no doubt enjoying watching us squirm.
	for i := 0; i < 2 && (laddr == nil || laddr.Port == 0) && (selfConnect(fd, err) || spuriousENOTAVAIL(err)); i++ {
		if err == nil {
			fd.Close()
		}
		fd, err = internetSocket(ctx, sd.network, laddr, raddr, syscall.SOCK_STREAM, proto, "dial", ctrlCtxFn)
	}

	if err != nil {
		return nil, err
	}