diff --git a/.gitignore b/.gitignore
index 82faf1e..31f9c8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,7 @@
 # Go workspace file
 go.work
 
-bin
\ No newline at end of file
+bin
+
+cover.out
+cover.html
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 30434b6..3c9e160 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ BUILD_TARGET?=${APP_NAME}
 BUILD_IMG?=${APP_NAME}
 APP_VERSION?=$(git describe --tags $(git rev-list --tags --max-count=1) 2> /dev/null || echo "nightly")
 CFG_PATH?=/route-p2p/router.json
-TEST_PKG?=./...
+TEST_PKG?=./core/...
 TEST_TIMEOUT?=2m
 
 lint:
@@ -13,13 +13,13 @@ fmt:
 	@go fmt ./...
 
 test:
-	@go test -v -race -timeout=${TEST_TIMEOUT} `go list ./... | grep -v -E "cmd|scripts"`
+	@go test -v -race -timeout=${TEST_TIMEOUT} `go list ./... | grep -v -E "cmd|scripts|resources"`
 
 test-pkg:
 	@go test -v -race -timeout=${TEST_TIMEOUT} ${TEST_PKG}
 
 test-cov:
-	@go test -v -race -timeout=${TEST_TIMEOUT} -coverprofile cover.out `go list ./... | grep -v -E "cmd|scripts"`
+	@go test -v -race -timeout=${TEST_TIMEOUT} -coverprofile cover.out `go list ./... | grep -v -E "cmd|scripts|resources"`
 
 test-open-cov:
 	@make test-cov
diff --git a/core/daemon.go b/core/daemon.go
index e7653d0..196b641 100644
--- a/core/daemon.go
+++ b/core/daemon.go
@@ -56,7 +56,11 @@ func (d *Daemon) Start(ctx context.Context) error {
 	go d.router.Start(ctx)
 
 	if d.cfg.Discovery != nil {
-		_, bootstrappers := parseDiscoveryConfig(*d.cfg.Discovery)
+		_, bootstrappers, err := parseDiscoveryConfig(*d.cfg.Discovery)
+		if err != nil {
+			return err
+		}
+		d.lggr.Debugw("connecting to bootstrappers", "bootstrappers", bootstrappers, "raw", d.cfg.Discovery.Bootstrappers)
 		for _, b := range bootstrappers {
 			d.connect(b)
 		}
diff --git a/core/daemon_test.go b/core/daemon_test.go
index 52facc3..d2aedf9 100644
--- a/core/daemon_test.go
+++ b/core/daemon_test.go
@@ -26,7 +26,58 @@ func TestDaemon_Sanity(t *testing.T) {
 
 	require.NoError(t, logging.SetLogLevelRegex("p2pmq", "debug"))
 
-	bootAddr := "/ip4/0.0.0.0/tcp/5001"
+	hitMap := map[string]*atomic.Int32{}
+	for i := 0; i < n; i++ {
+		hitMap[fmt.Sprintf("test-%d", i+1)] = &atomic.Int32{}
+	}
+
+	daemons, done := setupDaemons(ctx, t, n, func(m *pubsub.Message) {
+		hitMap[m.GetTopic()].Add(1)
+		// lggr.Infow("got pubsub message", "topic", m.GetTopic(), "from", m.GetFrom(), "data", string(m.GetData()))
+	})
+	defer done()
+
+	<-time.After(time.Second * 5) // TODO: avoid timeout
+
+	t.Log("peers connected")
+
+	var wg sync.WaitGroup
+	for _, d := range daemons {
+		wg.Add(1)
+		go func(d *Daemon) {
+			defer wg.Done()
+			for i := 0; i < n; i++ {
+				require.NoError(t, d.Subscribe(ctx, fmt.Sprintf("test-%d", i+1)))
+			}
+		}(d)
+	}
+
+	wg.Wait()
+
+	<-time.After(time.Second * 2) // TODO: avoid timeout
+
+	for r := 0; r < rounds; r++ {
+		for i, d := range daemons {
+			wg.Add(1)
+			go func(d *Daemon, r, i int) {
+				defer wg.Done()
+				require.NoError(t, d.Publish(ctx, fmt.Sprintf("test-%d", i+1), []byte(fmt.Sprintf("round-%d-test-data-%d", r+1, i+1))))
+			}(d, r, i)
+		}
+	}
+
+	wg.Wait()
+
+	<-time.After(time.Second * 2) // TODO: avoid timeout
+
+	for topic, counter := range hitMap {
+		count := int(counter.Load()) / n // per node
+		require.Equal(t, rounds, count, "should get %d messages on topic %s", rounds, topic)
+	}
+}
+
+func setupDaemons(ctx context.Context, t *testing.T, n int, routingFn func(*pubsub.Message)) ([]*Daemon, func()) {
+	bootAddr := "/ip4/127.0.0.1/tcp/5001"
 	boot, err := NewDaemon(ctx, commons.Config{
 		ListenAddrs: []string{
 			bootAddr,
@@ -42,9 +93,6 @@ func TestDaemon_Sanity(t *testing.T) {
 	go func() {
 		_ = boot.Start(ctx)
 	}()
-	defer func() {
-		_ = boot.Close()
-	}()
 
 	t.Logf("started bootstrapper %s", boot.host.ID())
 
@@ -59,24 +107,20 @@ func TestDaemon_Sanity(t *testing.T) {
 	for i := 0; i < n; i++ {
 		cfg := commons.Config{
 			ListenAddrs: []string{
-				"/ip4/0.0.0.0/tcp/0",
+				"/ip4/127.0.0.1/tcp/0",
 			},
-			MdnsTag: "p2pmq/mdns/test",
+			// MdnsTag: "p2pmq/mdns/test",
 			Discovery: &commons.DiscoveryConfig{
 				Mode:           commons.ModeServer,
 				ProtocolPrefix: "p2pmq/kad/test",
 				Bootstrappers: []string{
-					bootAddr,
+					fmt.Sprintf("%s/p2p/%s", bootAddr, boot.host.ID()),
 				},
 			},
 			Pubsub: &commons.PubsubConfig{},
 		}
 
-		d, err := NewDaemon(ctx, cfg, NewRouter(1024, 4, func(m *pubsub.Message) {
-			counter := hitMap[m.GetTopic()]
-			counter.Add(1)
-			// lggr.Infow("got pubsub message", "topic", m.GetTopic(), "from", m.GetFrom(), "data", string(m.GetData()))
-		}), fmt.Sprintf("peer-%d", i+1))
+		d, err := NewDaemon(ctx, cfg, NewRouter(1024, 4, routingFn), fmt.Sprintf("peer-%d", i+1))
 		require.NoError(t, err)
 		daemons[i] = d
 		t.Logf("created daemon %d: %s", i+1, d.host.ID())
@@ -86,51 +130,15 @@ func TestDaemon_Sanity(t *testing.T) {
 		require.NoError(t, d.Start(ctx))
 		t.Logf("started daemon %d: %s", i+1, d.host.ID())
 	}
-	defer func() {
-		for _, d := range daemons {
-			_ = d.Close()
-		}
-	}()
 
 	waitDaemonsConnected(n)
 
-	<-time.After(time.Second * 5) // TODO: avoid timeout
-
-	t.Log("peers connected")
-
-	var wg sync.WaitGroup
-	for _, d := range daemons {
-		wg.Add(1)
-		go func(d *Daemon) {
-			defer wg.Done()
-			for i := 0; i < n; i++ {
-				require.NoError(t, d.Subscribe(ctx, fmt.Sprintf("test-%d", i+1)))
-			}
-		}(d)
-	}
-
-	wg.Wait()
-
-	<-time.After(time.Second * 2) // TODO: avoid timeout
-
-	for r := 0; r < rounds; r++ {
-		for i, d := range daemons {
-			wg.Add(1)
-			go func(d *Daemon, r, i int) {
-				defer wg.Done()
-				require.NoError(t, d.Publish(ctx, fmt.Sprintf("test-%d", i+1), []byte(fmt.Sprintf("round-%d-test-data-%d", r+1, i+1))))
-			}(d, r, i)
+	return daemons, func() {
+		_ = boot.Close()
+		for _, d := range daemons {
+			_ = d.Close()
 		}
 	}
-
-	wg.Wait()
-
-	<-time.After(time.Second * 2) // TODO: avoid timeout
-
-	for topic, counter := range hitMap {
-		count := int(counter.Load()) / n // per node
-		require.Equal(t, rounds, count, "should get %d messages on topic %s", rounds, topic)
-	}
 }
 
 func waitDaemonsConnected(n int, daemons ...*Daemon) {
diff --git a/core/dht.go b/core/dht.go
index 3c13e2d..d32d745 100644
--- a/core/dht.go
+++ b/core/dht.go
@@ -2,6 +2,7 @@ package core
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/amirylm/p2pmq/commons"
 	dht "github.com/libp2p/go-libp2p-kad-dht"
@@ -22,7 +23,7 @@ func (d *Daemon) dhtRoutingFactory(ctx context.Context, opts ...dhtopts.Option)
 	}
 }
 
-func parseDiscoveryConfig(opts commons.DiscoveryConfig) (dht.ModeOpt, []peer.AddrInfo) {
+func parseDiscoveryConfig(opts commons.DiscoveryConfig) (dht.ModeOpt, []peer.AddrInfo, error) {
 	var dmode dht.ModeOpt
 	switch opts.Mode {
 	case commons.ModeClient:
@@ -38,11 +39,10 @@ func parseDiscoveryConfig(opts commons.DiscoveryConfig) (dht.ModeOpt, []peer.Add
 	for _, bnstr := range opts.Bootstrappers {
 		bn, err := peer.AddrInfoFromString(bnstr)
 		if err != nil {
-			// TODO: handle err
-			continue
+			return dmode, nil, fmt.Errorf("failed to parse bootstrapper addr %s: %w", bnstr, err)
 		}
 		bootstrappers = append(bootstrappers, *bn)
 	}
 
-	return dmode, bootstrappers
+	return dmode, bootstrappers, nil
 }
diff --git a/core/setup.go b/core/setup.go
index 911aaf6..0b20ef5 100644
--- a/core/setup.go
+++ b/core/setup.go
@@ -57,7 +57,10 @@ func (d *Daemon) setup(ctx context.Context, cfg commons.Config) (err error) {
 
 	if cfg.Discovery != nil {
 		cfg.Discovery.Defaults()
-		dmode, bootstrappers := parseDiscoveryConfig(*cfg.Discovery)
+		dmode, bootstrappers, err := parseDiscoveryConfig(*cfg.Discovery)
+		if err != nil {
+			return err
+		}
 		dhtOpts := []dht.Option{
 			dht.ProtocolPrefix(protocol.ID(cfg.Discovery.ProtocolPrefix)),
 			dht.Mode(dmode),
diff --git a/go.mod b/go.mod
index 6e1509d..39899e2 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,6 @@ require (
 	github.com/libp2p/go-libp2p v0.31.0
 	github.com/libp2p/go-libp2p-kad-dht v0.25.1
 	github.com/libp2p/go-libp2p-pubsub v0.9.3
-	github.com/multiformats/go-multiaddr v0.11.0
 	go.uber.org/zap v1.25.0
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -15,6 +14,7 @@ require (
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/multiformats/go-multiaddr v0.11.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 )
diff --git a/resources/config/default.p2pmq.yaml b/resources/config/default.p2pmq.yaml
index 6ac27eb..023f671 100644
--- a/resources/config/default.p2pmq.yaml
+++ b/resources/config/default.p2pmq.yaml
@@ -4,5 +4,5 @@ discovery:
   serviceTag: p2pmq/kad
   mode: server
   bootstrappers:
-    - /ip4/0.0.0.0/tcp/5001
-pubsub:
\ No newline at end of file
+    - /ip4/0.0.0.0/tcp/5001/p2p/12D3KooWH9DU2whKMyL4WXExj2iZNHmEfg5kDtBKWfmw4QGjJ1eV # change peer id
+pubsub: