cilium: add visibility for all flags in CT dump

While debugging #10942, I noticed that not all flags are currently
dumped in our bugtool report's CT list. Fix it by adding the missing
ones as well.

Also dump all unknown flags, so it is easier visible that we're
missing something.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

pkg/maps/ctmap/types.go

@@ -487,12 +487,15 @@ type CtEntry struct {
 func (c *CtEntry) GetValuePtr() unsafe.Pointer { return unsafe.Pointer(c) }
 
 const (
-	RxClosing  = 1 << 0
-	TxClosing  = 1 << 1
-	Nat64      = 1 << 2
-	LBLoopback = 1 << 3
-	SeenNonSyn = 1 << 4
-	NodePort   = 1 << 5
+	RxClosing = 1 << iota
+	TxClosing
+	Nat64
+	LBLoopback
+	SeenNonSyn
+	NodePort
+	ProxyRedirect
+	DSR
+	MaxFlags
 )
 
 func (c *CtEntry) flagsString() string {
@@ -517,6 +520,18 @@ func (c *CtEntry) flagsString() string {
 	if (c.Flags & NodePort) != 0 {
 		buffer.WriteString("NodePort ")
 	}
+	if (c.Flags & ProxyRedirect) != 0 {
+		buffer.WriteString("ProxyRedirect ")
+	}
+	if (c.Flags & DSR) != 0 {
+		buffer.WriteString("DSR ")
+	}
+
+	unknownFlags := c.Flags
+	unknownFlags &^= MaxFlags - 1
+	if unknownFlags != 0 {
+		buffer.WriteString(fmt.Sprintf("Unknown=%#04x ", unknownFlags))
+	}
 	buffer.WriteString("]")
 	return buffer.String()
 }