Fix(log): set log level for glog (#511)

.github/workflows/test.yml

@@ -168,7 +168,9 @@ jobs:
           exit 1
 
       - name: Test TCP via HTTP
-        run: docker exec "${APP_TUN2SOCKS}" curl -fsS -v --max-time 10 ipinfo.io
+        run: |
+          docker exec "${APP_TUN2SOCKS}" curl -fsS -v --max-time 10 -o /dev/null \
+            http://connectivitycheck.gstatic.com/generate_204
 
       - name: Test UDP via DNS
         if: ${{ matrix.udp }}

log/emitter.go

@@ -1,8 +1,6 @@
 package log
 
 import (
-	"runtime"
-	"strings"
 	"time"
 
 	glog "gvisor.dev/gvisor/pkg/log"
@@ -20,18 +18,13 @@ type emitter struct {
 
 func (e *emitter) setLogger(logger *SugaredLogger) {
 	e.logger = logger.WithOptions(pkgCallerSkip)
+	glog.SetLevel(1 - glog.Level(e.logger.Level()))
 }
 
 func (e *emitter) logf(level glog.Level, format string, args ...any) {
 	e.logger.Logf(1-Level(level), "[STACK] "+format, args...)
 }
 
-func (e *emitter) Emit(depth int, level glog.Level, _ time.Time, format string, args ...any) {
-	if _, file, line, ok := runtime.Caller(depth + 1); ok {
-		// Ignore: gvisor.dev/gvisor/pkg/tcpip/adapters/gonet/gonet.go:457
-		if line == 457 && strings.HasSuffix(file, "gonet/gonet.go") {
-			return
-		}
-	}
+func (e *emitter) Emit(_ int, level glog.Level, _ time.Time, format string, args ...any) {
 	e.logf(level, format, args...)
 }