Ignore pion/ice "Failed to ping without candidate pairs" warning

.changeset/pion-ice-ping-prefix.md

@@ -0,0 +1,6 @@
+---
+"github.com/livekit/protocol": patch
+"@livekit/protocol": patch
+---
+
+Ignore pion/ice "Failed to ping without candidate pairs" warning

logger/pionlogger/logger.go

@@ -30,6 +30,7 @@ var (
 	pionIgnoredPrefixes = map[string]*prefixSet{
 		"ice": {
 			"pingAllCandidates called with no candidate pairs",
+			"Failed to ping without candidate pairs",
 			"failed to send packet: io: read/write on closed pipe",
 			"Ignoring remote candidate with tcpType active",
 			"discard message from",

logger/pionlogger/logger_test.go

@@ -30,3 +30,10 @@ func TestPrefixFilter(t *testing.T) {
 	require.True(t, f["tcp_mux"].Match("error closing connection"))
 	require.True(t, f["tcp_mux"].Match("test"))
 }
+
+func TestIgnoredPrefixes(t *testing.T) {
+	f := NewPrefixFilter(nil)
+
+	require.True(t, f["ice"].Match("Failed to ping without candidate pairs. Connection is not possible yet."))
+	require.False(t, f["ice"].Match("Failed to handle message"))
+}