diff --git a/tap/tlstapper/bpf/common.c b/tap/tlstapper/bpf/common.c
index a4dad45a6..02b79c026 100644
--- a/tap/tlstapper/bpf/common.c
+++ b/tap/tlstapper/bpf/common.c
@@ -18,9 +18,12 @@ static __always_inline int add_address_to_chunk(struct pt_regs *ctx, struct tls_
 
     struct fd_info *fdinfo = bpf_map_lookup_elem(&file_descriptor_to_ipv4, &key);
 
+    log_error(ctx, LOG_DEBUG, 0, 0, 0);
     if (fdinfo == NULL) {
+    log_error(ctx, LOG_DEBUG, 1, 0, 0);
         return 0;
     }
+    log_error(ctx, LOG_DEBUG, 2, 0, 0);
 
     int err;
 
diff --git a/tap/tlstapper/bpf/include/logger_messages.h b/tap/tlstapper/bpf/include/logger_messages.h
index 27c66c229..ac1b0495e 100644
--- a/tap/tlstapper/bpf/include/logger_messages.h
+++ b/tap/tlstapper/bpf/include/logger_messages.h
@@ -31,6 +31,7 @@ Copyright (C) UP9 Inc.
 #define LOG_ERROR_READING_SOCKET_SADDR (19)
 #define LOG_ERROR_READING_SOCKET_DPORT (20)
 #define LOG_ERROR_READING_SOCKET_SPORT (21)
+#define LOG_DEBUG (22)
 
 // Sometimes we have the same error, happening from different locations.
 // 	in order to be able to distinct between them in the log, we add an 
diff --git a/tap/tlstapper/bpf_logger_messages.go b/tap/tlstapper/bpf_logger_messages.go
index bd1f6b878..c2aa1aff3 100644
--- a/tap/tlstapper/bpf_logger_messages.go
+++ b/tap/tlstapper/bpf_logger_messages.go
@@ -25,4 +25,5 @@ var bpfLogMessages = []string{
 	/*0019*/ "[%d] Unable to read socket saddr [err: %d]",
 	/*0019*/ "[%d] Unable to read socket dport [err: %d]",
 	/*0021*/ "[%d] Unable to read socket sport [err: %d]",
+	/*0022*/ "DEBUGBPF %d %d %d",
 }
diff --git a/tap/tlstapper/chunk.go b/tap/tlstapper/chunk.go
index 225dd2890..e153d5244 100644
--- a/tap/tlstapper/chunk.go
+++ b/tap/tlstapper/chunk.go
@@ -5,6 +5,7 @@ import (
 	"net"
 	"unsafe"
 
+	"github.com/up9inc/mizu/logger"
 	"github.com/up9inc/mizu/tap/api"
 )
 
@@ -86,6 +87,14 @@ func (c *tlsTapperTlsChunk) getAddressPair() (addressPair, bool) {
 		full = false
 	}
 
+	mode := 0
+	if full {
+		mode = 1
+	} else {
+		mode = 0
+	}
+	logger.Log.Infof("getAddressPair %d %s:%d > %s:%d", mode, srcIp, srcPort, dstIp, dstPort)
+
 	return addressPair{
 		srcIp:   srcIp,
 		srcPort: srcPort,