diff --git a/cmd/dendrite-demo-pinecone/main.go b/cmd/dendrite-demo-pinecone/main.go
index 18d1dd31f..1471e740e 100644
--- a/cmd/dendrite-demo-pinecone/main.go
+++ b/cmd/dendrite-demo-pinecone/main.go
@@ -34,7 +34,8 @@ import (
 	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/gomatrixserverlib/spec"
-	"github.com/sirupsen/logrus"
+
+	log "github.com/rs/zerolog/log"
 
 	pineconeRouter "github.com/matrix-org/pinecone/router"
 )
@@ -112,7 +113,7 @@ func main() {
 		for {
 			conn, err := listener.Accept()
 			if err != nil {
-				logrus.WithError(err).Error("listener.Accept failed")
+				log.Error().Err(err).Msg("listener.Accept failed")
 				continue
 			}
 
@@ -121,7 +122,7 @@ func main() {
 				pineconeRouter.ConnectionPeerType(pineconeRouter.PeerTypeRemote),
 			)
 			if err != nil {
-				logrus.WithError(err).Error("pSwitch.Connect failed")
+				log.Error().Err(err).Msg("pSwitch.Connect failed")
 				continue
 			}
 
diff --git a/cmd/dendrite-demo-pinecone/monolith/monolith.go b/cmd/dendrite-demo-pinecone/monolith/monolith.go
index 397473865..490bd946e 100644
--- a/cmd/dendrite-demo-pinecone/monolith/monolith.go
+++ b/cmd/dendrite-demo-pinecone/monolith/monolith.go
@@ -54,6 +54,8 @@ import (
 	"github.com/matrix-org/gomatrixserverlib/spec"
 	"github.com/sirupsen/logrus"
 
+	log "github.com/rs/zerolog/log"
+
 	pineconeConnections "github.com/matrix-org/pinecone/connections"
 	pineconeMulticast "github.com/matrix-org/pinecone/multicast"
 	pineconeRouter "github.com/matrix-org/pinecone/router"
@@ -115,6 +117,8 @@ func GenerateDefaultConfig(sk ed25519.PrivateKey, storageDir string, cacheDir st
 
 func (p *P2PMonolith) SetupPinecone(sk ed25519.PrivateKey) {
 	p.EventChannel = make(chan pineconeEvents.Event)
+	// log.Logger.With().Str("pinecone", "router").Logger()
+	// not compatible with pinecone types.logger => Printf missing
 	p.Router = pineconeRouter.NewRouter(logrus.WithField("pinecone", "router"), sk)
 	p.Router.EnableHopLimiting()
 	p.Router.EnableWakeupBroadcasts()
@@ -166,7 +170,7 @@ func (p *P2PMonolith) SetupDendrite(
 		UserAPI:                userAPI,
 	}
 	relayAPI := relayapi.NewRelayInternalAPI(cfg, cm, federation, rsAPI, keyRing, producer, enableRelaying, caches)
-	logrus.Infof("Relaying enabled: %v", relayAPI.RelayingEnabled())
+	log.Info().Msgf("Relaying enabled: %v", relayAPI.RelayingEnabled())
 
 	p.dendrite = setup.Monolith{
 		Config:    cfg,
@@ -206,10 +210,10 @@ func (p *P2PMonolith) StartMonolith() {
 }
 
 func (p *P2PMonolith) Stop() {
-	logrus.Info("Stopping monolith")
+	log.Info().Msg("Stopping monolith")
 	p.ProcessCtx.ShutdownDendrite()
 	p.WaitForShutdown()
-	logrus.Info("Stopped monolith")
+	log.Info().Msg("Stopped monolith")
 }
 
 func (p *P2PMonolith) WaitForShutdown() {
@@ -218,7 +222,7 @@ func (p *P2PMonolith) WaitForShutdown() {
 }
 
 func (p *P2PMonolith) closeAllResources() {
-	logrus.Info("Closing monolith resources")
+	log.Info().Msg("Closing monolith resources")
 	p.httpServerMu.Lock()
 	if p.httpServer != nil {
 		_ = p.httpServer.Shutdown(context.Background())
@@ -245,7 +249,7 @@ func (p *P2PMonolith) closeAllResources() {
 	if p.Router != nil {
 		_ = p.Router.Close()
 	}
-	logrus.Info("Monolith resources closed")
+	log.Info().Msg("Monolith resources closed")
 }
 
 func (p *P2PMonolith) Addr() string {
@@ -268,7 +272,7 @@ func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider,
 		p.httpMux.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
 			c, err := wsUpgrader.Upgrade(w, r, nil)
 			if err != nil {
-				logrus.WithError(err).Error("Failed to upgrade WebSocket connection")
+				log.Error().Err(err).Msg("Failed to upgrade WebSocket connection")
 				return
 			}
 			conn := conn.WrapWebSocketConn(c)
@@ -277,7 +281,7 @@ func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider,
 				pineconeRouter.ConnectionZone("websocket"),
 				pineconeRouter.ConnectionPeerType(pineconeRouter.PeerTypeRemote),
 			); err != nil {
-				logrus.WithError(err).Error("Failed to connect WebSocket peer to Pinecone switch")
+				log.Error().Err(err).Msg("Failed to connect WebSocket peer to Pinecone switch")
 			}
 		})
 	}
@@ -317,34 +321,35 @@ func (p *P2PMonolith) startHTTPServers() {
 		p.httpServerMu.Unlock()
 		pubkey := p.Router.PublicKey()
 		pubkeyString := hex.EncodeToString(pubkey[:])
-		logrus.Info("Listening on ", pubkeyString)
+		log.Info().Msgf("Listening on %s", pubkeyString)
 
 		switch p.httpServer.Serve(p.Sessions.Protocol(SessionProtocol)) {
 		case net.ErrClosed, http.ErrServerClosed:
-			logrus.Info("Stopped listening on ", pubkeyString)
+			log.Info().Msgf("Stopped listening on %s", pubkeyString)
 		default:
-			logrus.Error("Stopped listening on ", pubkeyString)
+			log.Error().Msgf("Stopped listening on %s", pubkeyString)
 		}
-		logrus.Info("Stopped goroutine listening on ", pubkeyString)
+		log.Info().Msgf("Stopped goroutine listening on %s", pubkeyString)
 	}()
 
 	p.httpListenAddr = fmt.Sprintf(":%d", p.port)
 	go func() {
-		logrus.Info("Listening on ", p.httpListenAddr)
+		log.Info().Msgf("Listening on %s", p.httpListenAddr)
 		switch http.ListenAndServe(p.httpListenAddr, p.httpMux) {
 		case net.ErrClosed, http.ErrServerClosed:
-			logrus.Info("Stopped listening on ", p.httpListenAddr)
+			log.Info().Msgf("Stopped listening on %s", p.httpListenAddr)
 		default:
-			logrus.Error("Stopped listening on ", p.httpListenAddr)
+			log.Error().Msgf("Stopped listening on %s", p.httpListenAddr)
 		}
-		logrus.Info("Stopped goroutine listening on ", p.httpListenAddr)
+		log.Info().Msgf("Stopped goroutine listening on %s", p.httpListenAddr)
 	}()
 }
 
 func (p *P2PMonolith) startEventHandler() {
 	p.stopHandlingEvents = make(chan bool)
 	stopRelayServerSync := make(chan bool)
-	eLog := logrus.WithField("pinecone", "events")
+	logger := log.Logger.With().Str("pinecone", "events").Logger()
+	//eLog := logrus.WithField("pinecone", "events")
 	p.RelayRetriever = relay.NewRelayServerRetriever(
 		context.Background(),
 		spec.ServerName(p.Router.PublicKey().String()),
@@ -352,7 +357,7 @@ func (p *P2PMonolith) startEventHandler() {
 		p.dendrite.RelayAPI,
 		stopRelayServerSync,
 	)
-	p.RelayRetriever.InitializeRelayServers(eLog)
+	p.RelayRetriever.InitializeRelayServers(&logger)
 
 	go func(ch <-chan pineconeEvents.Event) {
 		for {
@@ -377,17 +382,17 @@ func (p *P2PMonolith) startEventHandler() {
 					}
 					res := &federationAPI.PerformWakeupServersResponse{}
 					if err := p.dendrite.FederationAPI.PerformWakeupServers(p.ProcessCtx.Context(), req, res); err != nil {
-						eLog.WithError(err).Error("Failed to wakeup destination", e.PeerID)
+						log.Error().Err(err).Msgf("Failed to wakeup destination %s", e.PeerID)
 					}
 				}
 			case <-p.stopHandlingEvents:
-				logrus.Info("Stopping processing pinecone events")
+				log.Info().Msg("Stopping processing pinecone events")
 				// NOTE: Don't block on channel
 				select {
 				case stopRelayServerSync <- true:
 				default:
 				}
-				logrus.Info("Stopped processing pinecone events")
+				log.Info().Msg("Stopped processing pinecone events")
 				return
 			}
 		}
diff --git a/cmd/dendrite-demo-pinecone/relay/retriever.go b/cmd/dendrite-demo-pinecone/relay/retriever.go
index 3c76ad600..e941a2db5 100644
--- a/cmd/dendrite-demo-pinecone/relay/retriever.go
+++ b/cmd/dendrite-demo-pinecone/relay/retriever.go
@@ -22,7 +22,8 @@ import (
 	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	relayServerAPI "github.com/matrix-org/dendrite/relayapi/api"
 	"github.com/matrix-org/gomatrixserverlib/spec"
-	"github.com/sirupsen/logrus"
+	"github.com/rs/zerolog"
+	log "github.com/rs/zerolog/log"
 	"go.uber.org/atomic"
 )
 
@@ -59,12 +60,12 @@ func NewRelayServerRetriever(
 	}
 }
 
-func (r *RelayServerRetriever) InitializeRelayServers(eLog *logrus.Entry) {
+func (r *RelayServerRetriever) InitializeRelayServers(eLog *zerolog.Logger) {
 	request := federationAPI.P2PQueryRelayServersRequest{Server: spec.ServerName(r.serverName)}
 	response := federationAPI.P2PQueryRelayServersResponse{}
 	err := r.federationAPI.P2PQueryRelayServers(r.ctx, &request, &response)
 	if err != nil {
-		eLog.Warnf("Failed obtaining list of this node's relay servers: %s", err.Error())
+		eLog.Warn().Msgf("Failed obtaining list of this node's relay servers: %s", err.Error())
 	}
 
 	r.queriedServersMutex.Lock()
@@ -73,7 +74,7 @@ func (r *RelayServerRetriever) InitializeRelayServers(eLog *logrus.Entry) {
 		r.relayServersQueried[server] = false
 	}
 
-	eLog.Infof("Registered relay servers: %v", response.RelayServers)
+	eLog.Info().Msgf("Registered relay servers: %v", response.RelayServers)
 }
 
 func (r *RelayServerRetriever) SetRelayServers(servers []spec.ServerName) {
@@ -114,7 +115,7 @@ func (r *RelayServerRetriever) GetQueriedServerStatus() map[spec.ServerName]bool
 
 func (r *RelayServerRetriever) StartSync() {
 	if !r.running.Load() {
-		logrus.Info("Starting relay server sync")
+		log.Info().Msg("Starting relay server sync")
 		go r.SyncRelayServers(r.quit)
 	}
 }
@@ -140,7 +141,7 @@ func (r *RelayServerRetriever) SyncRelayServers(stop <-chan bool) {
 		}()
 		if len(relayServersToQuery) == 0 {
 			// All relay servers have been synced.
-			logrus.Info("Finished syncing with all known relays")
+			log.Info().Msg("Finished syncing with all known relays")
 			return
 		}
 		r.queryRelayServers(relayServersToQuery)
@@ -151,7 +152,7 @@ func (r *RelayServerRetriever) SyncRelayServers(stop <-chan bool) {
 			if !t.Stop() {
 				<-t.C
 			}
-			logrus.Info("Stopped relay server retriever")
+			log.Info().Msg("Stopped relay server retriever")
 			return
 		case <-t.C:
 		}
@@ -159,14 +160,14 @@ func (r *RelayServerRetriever) SyncRelayServers(stop <-chan bool) {
 }
 
 func (r *RelayServerRetriever) queryRelayServers(relayServers []spec.ServerName) {
-	logrus.Info("Querying relay servers for any available transactions")
+	log.Info().Msg("Querying relay servers for any available transactions")
 	for _, server := range relayServers {
 		userID, err := spec.NewUserID("@user:"+string(r.serverName), false)
 		if err != nil {
 			return
 		}
 
-		logrus.Infof("Syncing with relay: %s", string(server))
+		log.Info().Msgf("Syncing with relay: %s", string(server))
 		err = r.relayAPI.PerformRelayServerSync(context.Background(), *userID, server)
 		if err == nil {
 			func() {
@@ -181,7 +182,7 @@ func (r *RelayServerRetriever) queryRelayServers(relayServers []spec.ServerName)
 			// What if you miss this message?
 			// Maybe you should try querying them again after a certain period of time as a backup?
 		} else {
-			logrus.Errorf("Failed querying relay server: %s", err.Error())
+			log.Error().Msgf("Failed querying relay server: %s", err.Error())
 		}
 	}
 }
@@ -197,7 +198,7 @@ func UpdateNodeRelayServers(
 	response := federationAPI.P2PQueryRelayServersResponse{}
 	err := fedAPI.P2PQueryRelayServers(ctx, &request, &response)
 	if err != nil {
-		logrus.Warnf("Failed obtaining list of relay servers for %s: %s", node, err.Error())
+		log.Warn().Msgf("Failed obtaining list of relay servers for %s: %s", node, err.Error())
 	}
 
 	// Remove old, non-matching relays
@@ -222,7 +223,7 @@ func UpdateNodeRelayServers(
 	removeResponse := federationAPI.P2PRemoveRelayServersResponse{}
 	err = fedAPI.P2PRemoveRelayServers(ctx, &removeRequest, &removeResponse)
 	if err != nil {
-		logrus.Warnf("Failed removing old relay servers for %s: %s", node, err.Error())
+		log.Warn().Msgf("Failed removing old relay servers for %s: %s", node, err.Error())
 	}
 
 	// Add new relays
@@ -233,6 +234,6 @@ func UpdateNodeRelayServers(
 	addResponse := federationAPI.P2PAddRelayServersResponse{}
 	err = fedAPI.P2PAddRelayServers(ctx, &addRequest, &addResponse)
 	if err != nil {
-		logrus.Warnf("Failed adding relay servers for %s: %s", node, err.Error())
+		log.Warn().Msgf("Failed adding relay servers for %s: %s", node, err.Error())
 	}
 }
diff --git a/cmd/dendrite-demo-pinecone/relay/retriever_test.go b/cmd/dendrite-demo-pinecone/relay/retriever_test.go
index 6ec9aaf5d..0b01436d3 100644
--- a/cmd/dendrite-demo-pinecone/relay/retriever_test.go
+++ b/cmd/dendrite-demo-pinecone/relay/retriever_test.go
@@ -22,7 +22,8 @@ import (
 	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	relayServerAPI "github.com/matrix-org/dendrite/relayapi/api"
 	"github.com/matrix-org/gomatrixserverlib/spec"
-	"github.com/sirupsen/logrus"
+
+	log "github.com/rs/zerolog/log"
 	"github.com/stretchr/testify/assert"
 	"gotest.tools/v3/poll"
 )
@@ -63,7 +64,8 @@ func TestRelayRetrieverInitialization(t *testing.T) {
 		make(chan bool),
 	)
 
-	retriever.InitializeRelayServers(logrus.WithField("test", "relay"))
+	logger := log.Logger.With().Str("test", "relay").Logger()
+	retriever.InitializeRelayServers(&logger)
 	relayServers := retriever.GetQueriedServerStatus()
 	assert.Equal(t, 2, len(relayServers))
 }
@@ -77,7 +79,8 @@ func TestRelayRetrieverSync(t *testing.T) {
 		make(chan bool),
 	)
 
-	retriever.InitializeRelayServers(logrus.WithField("test", "relay"))
+	logger := log.Logger.With().Str("test", "relay").Logger()
+	retriever.InitializeRelayServers(&logger)
 	relayServers := retriever.GetQueriedServerStatus()
 	assert.Equal(t, 2, len(relayServers))
 
diff --git a/cmd/dendrite-demo-yggdrasil/main.go b/cmd/dendrite-demo-yggdrasil/main.go
index 25c1475cb..d6eb2ec74 100644
--- a/cmd/dendrite-demo-yggdrasil/main.go
+++ b/cmd/dendrite-demo-yggdrasil/main.go
@@ -52,7 +52,8 @@ import (
 	"github.com/matrix-org/dendrite/setup/mscs"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/userapi"
-	"github.com/sirupsen/logrus"
+
+	log "github.com/rs/zerolog/log"
 )
 
 var (
@@ -153,29 +154,29 @@ func main() {
 	cfg.Verify(configErrors)
 	if len(*configErrors) > 0 {
 		for _, err := range *configErrors {
-			logrus.Errorf("Configuration error: %s", err)
+			log.Error().Msgf("Configuration error: %s", err)
 		}
-		logrus.Fatalf("Failed to start due to configuration errors")
+		log.Fatal().Msg("Failed to start due to configuration errors")
 	}
 
 	internal.SetupStdLogging()
 	internal.SetupHookLogging(cfg.Logging)
 	internal.SetupPprof()
 
-	logrus.Infof("Dendrite version %s", internal.VersionString())
+	log.Info().Msgf("Dendrite version %s", internal.VersionString())
 
 	if !cfg.ClientAPI.RegistrationDisabled && cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled {
-		logrus.Warn("Open registration is enabled")
+		log.Warn().Msg("Open registration is enabled")
 	}
 
 	closer, err := cfg.SetupTracing()
 	if err != nil {
-		logrus.WithError(err).Panicf("failed to start opentracing")
+		log.Panic().Err(err).Msgf("failed to start opentracing")
 	}
 	defer closer.Close() // nolint: errcheck
 
 	if cfg.Global.Sentry.Enabled {
-		logrus.Info("Setting up Sentry for debugging...")
+		log.Info().Msg("Setting up Sentry for debugging...")
 		err = sentry.Init(sentry.ClientOptions{
 			Dsn:              cfg.Global.Sentry.DSN,
 			Environment:      cfg.Global.Sentry.Environment,
@@ -185,7 +186,7 @@ func main() {
 			AttachStacktrace: true,
 		})
 		if err != nil {
-			logrus.WithError(err).Panic("failed to start Sentry")
+			log.Panic().Err(err).Msg("failed to start Sentry")
 		}
 	}
 
@@ -239,7 +240,7 @@ func main() {
 	}
 	monolith.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, caching.EnableMetrics)
 	if err := mscs.Enable(cfg, cm, routers, &monolith, caches); err != nil {
-		logrus.WithError(err).Fatalf("Failed to enable MSCs")
+		log.Fatal().Err(err).Msgf("Failed to enable MSCs")
 	}
 
 	httpRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
@@ -267,20 +268,20 @@ func main() {
 	}
 
 	go func() {
-		logrus.Info("Listening on ", ygg.DerivedServerName())
-		logrus.Fatal(httpServer.Serve(ygg))
+		log.Info().Msgf("Listening on %s", ygg.DerivedServerName())
+		log.Fatal().Err(httpServer.Serve(ygg))
 	}()
 	go func() {
 		httpBindAddr := fmt.Sprintf(":%d", *instancePort)
-		logrus.Info("Listening on ", httpBindAddr)
-		logrus.Fatal(http.ListenAndServe(httpBindAddr, httpRouter))
+		log.Info().Msgf("Listening on %s", httpBindAddr)
+		log.Fatal().Err(http.ListenAndServe(httpBindAddr, httpRouter))
 	}()
 	go func() {
-		logrus.Info("Sending wake-up message to known nodes")
+		log.Info().Msg("Sending wake-up message to known nodes")
 		req := &api.PerformBroadcastEDURequest{}
 		res := &api.PerformBroadcastEDUResponse{}
 		if err := fsAPI.PerformBroadcastEDU(context.TODO(), req, res); err != nil {
-			logrus.WithError(err).Error("Failed to send wake-up message to known nodes")
+			log.Error().Err(err).Msg("Failed to send wake-up message to known nodes")
 		}
 	}()
 
diff --git a/cmd/dendrite-demo-yggdrasil/yggconn/node.go b/cmd/dendrite-demo-yggdrasil/yggconn/node.go
index 26c30e489..71d1d85b2 100644
--- a/cmd/dendrite-demo-yggdrasil/yggconn/node.go
+++ b/cmd/dendrite-demo-yggdrasil/yggconn/node.go
@@ -25,15 +25,13 @@ import (
 
 	"github.com/matrix-org/gomatrixserverlib/spec"
 	"github.com/neilalexander/utp"
-	"github.com/sirupsen/logrus"
 
 	ironwoodtypes "github.com/Arceliar/ironwood/types"
-	"github.com/yggdrasil-network/yggdrasil-go/src/core"
 	yggdrasilcore "github.com/yggdrasil-network/yggdrasil-go/src/core"
-	"github.com/yggdrasil-network/yggdrasil-go/src/multicast"
 	yggdrasilmulticast "github.com/yggdrasil-network/yggdrasil-go/src/multicast"
 
 	gologme "github.com/gologme/log"
+	log "github.com/rs/zerolog/log"
 )
 
 type Node struct {
@@ -56,8 +54,9 @@ func (n *Node) DialerContext(ctx context.Context, _, address string) (net.Conn,
 }
 
 func Setup(sk ed25519.PrivateKey, instanceName, storageDirectory, peerURI, listenURI string) (*Node, error) {
+	// TODO: gologme v.s. zerolog
 	n := &Node{
-		log:      gologme.New(logrus.StandardLogger().Writer(), "", 0),
+		log:      gologme.New(log.Logger, "", 0),
 		incoming: make(chan net.Conn),
 	}
 
@@ -78,7 +77,7 @@ func Setup(sk ed25519.PrivateKey, instanceName, storageDirectory, peerURI, liste
 				})
 			}
 		}
-		if n.core, err = core.New(sk[:], n.log, options...); err != nil {
+		if n.core, err = yggdrasilcore.New(sk[:], n.log, options...); err != nil {
 			panic(err)
 		}
 		n.core.SetLogger(n.log)
@@ -91,8 +90,8 @@ func Setup(sk ed25519.PrivateKey, instanceName, storageDirectory, peerURI, liste
 	// Setup the multicast module.
 	{
 		var err error
-		options := []multicast.SetupOption{
-			multicast.MulticastInterface{
+		options := []yggdrasilmulticast.SetupOption{
+			yggdrasilmulticast.MulticastInterface{
 				Regex:    regexp.MustCompile(".*"),
 				Beacon:   true,
 				Listen:   true,
@@ -100,7 +99,7 @@ func Setup(sk ed25519.PrivateKey, instanceName, storageDirectory, peerURI, liste
 				Priority: 0,
 			},
 		}
-		if n.multicast, err = multicast.New(n.core, n.log, options...); err != nil {
+		if n.multicast, err = yggdrasilmulticast.New(n.core, n.log, options...); err != nil {
 			panic(err)
 		}
 	}
diff --git a/internal/log.go b/internal/log.go
index 7bc9a6454..1832b2d7d 100644
--- a/internal/log.go
+++ b/internal/log.go
@@ -27,7 +27,6 @@ import (
 	"sync"
 
 	"github.com/matrix-org/util"
-	"github.com/sirupsen/logrus"
 
 	"github.com/rs/zerolog"
 	log "github.com/rs/zerolog/log"
@@ -93,9 +92,9 @@ func callerPrettyfier(f *runtime.Frame) (string, string) {
 // simplest, and it gives us the freedom to run pprof on a separate port.
 func SetupPprof() {
 	if hostPort := os.Getenv("PPROFLISTEN"); hostPort != "" {
-		logrus.Warn("Starting pprof on ", hostPort)
+		log.Warn().Msgf("Starting pprof on %s", hostPort)
 		go func() {
-			logrus.WithError(http.ListenAndServe(hostPort, nil)).Error("Failed to setup pprof listener")
+			log.Error().Err(http.ListenAndServe(hostPort, nil)).Msg("Failed to setup pprof listener")
 		}()
 	}
 }