diff --git a/libp2p/connection.nim b/libp2p/connection.nim
index 5f822328a..e18f87689 100644
--- a/libp2p/connection.nim
+++ b/libp2p/connection.nim
@@ -63,7 +63,7 @@ declareGauge libp2p_open_connection, "open Connection instances"
 
 proc `$`*(conn: Connection): string =
   if not isNil(conn.peerInfo):
-    result = $(conn.peerInfo)
+    result = conn.peerInfo.id
 
 proc init[T: Connection](self: var T, stream: LPStream): T =
   ## create a new Connection for the specified async reader/writer
diff --git a/libp2p/multiaddress.nim b/libp2p/multiaddress.nim
index 60a6d35b3..0d642e1fa 100644
--- a/libp2p/multiaddress.nim
+++ b/libp2p/multiaddress.nim
@@ -649,9 +649,11 @@ proc toString*(value: MultiAddress): MaResult[string] =
     res = "/" & parts.join("/")
   ok(res)
 
-proc `$`*(value: MultiAddress): string {.raises: [Defect, ResultError[string]].} =
+proc `$`*(value: MultiAddress): string {.raises: [Defect].} =
   ## Return string representation of MultiAddress ``value``.
-  value.toString().tryGet()
+  let s = value.toString()
+  if s.isErr: s.error
+  else: s[]
 
 proc protocols*(value: MultiAddress): MaResult[seq[MultiCodec]] =
   ## Returns list of protocol codecs inside of MultiAddress ``value``.
diff --git a/libp2p/peerinfo.nim b/libp2p/peerinfo.nim
index 2868ed0d5..e170a3491 100644
--- a/libp2p/peerinfo.nim
+++ b/libp2p/peerinfo.nim
@@ -7,7 +7,7 @@
 ## This file may not be copied, modified, or distributed except according to
 ## those terms.
 
-import options
+import options, sequtils
 import chronos, chronicles
 import peer, multiaddress, crypto/crypto
 
@@ -29,6 +29,8 @@ type
     addrs*: seq[MultiAddress]
     protocols*: seq[string]
     lifefut: Future[void]
+    protoVersion*: string
+    agentVersion*: string
     case keyType*: KeyType:
     of HasPrivate:
       privateKey*: PrivateKey
@@ -38,14 +40,14 @@ type
 proc id*(p: PeerInfo): string =
   p.peerId.pretty()
 
-proc `$`*(p: PeerInfo): string =
-  result.add(p.id)
-
-  result.add(" ")
-  result.add($p.addrs)
-
-  result.add(" ")
-  result.add($p.protocols)
+proc shortLog*(p: PeerInfo): auto =
+  (
+    id: p.id(),
+    addrs: mapIt(p.addrs, $it),
+    protocols: mapIt(p.protocols, $it),
+    protoVersion: p.protoVersion,
+    agentVersion: p.agentVersion,
+  )
 
 template postInit(peerinfo: PeerInfo,
                   addrs: openarray[MultiAddress],
diff --git a/libp2p/protocols/identify.nim b/libp2p/protocols/identify.nim
index 4d7b2985c..e5267863f 100644
--- a/libp2p/protocols/identify.nim
+++ b/libp2p/protocols/identify.nim
@@ -103,7 +103,7 @@ proc decodeMsg*(buf: seq[byte]): IdentifyInfo =
   var agentVersion = ""
   if pb.getString(6, agentVersion) > 0:
     trace "read agentVersion from message", agentVersion = agentVersion
-    result.agentVersion = some(protoVersion)
+    result.agentVersion = some(agentVersion)
 
 proc newIdentify*(peerInfo: PeerInfo): Identify =
   new result
@@ -151,8 +151,6 @@ proc identify*(p: Identify,
       raise newException(IdentityNoMatchError,
         "Peer ids don't match")
 
-  trace "Identify for remote peer succeded"
-
 proc push*(p: Identify, conn: Connection) {.async.} =
   await conn.write(IdentifyPushCodec)
   var pb = encodeMsg(p.peerInfo, await conn.getObservedAddrs())
diff --git a/libp2p/protocols/secure/noise.nim b/libp2p/protocols/secure/noise.nim
index 0a13abd14..362f9da71 100644
--- a/libp2p/protocols/secure/noise.nim
+++ b/libp2p/protocols/secure/noise.nim
@@ -22,7 +22,7 @@ import secure,
        ../../stream/bufferstream
 
 logScope:
-  topic = "Noise"
+  topic = "noise"
 
 const
   # https://godoc.org/github.com/libp2p/go-libp2p-noise#pkg-constants
@@ -422,7 +422,7 @@ method readMessage*(sconn: NoiseConnection): Future[seq[byte]] {.async.} =
     var besize: array[2, byte]
     await sconn.stream.readExactly(addr besize[0], besize.len)
     let size = uint16.fromBytesBE(besize).int # Cannot overflow
-    trace "receiveEncryptedMessage", size, peer = $sconn.peerInfo
+    trace "receiveEncryptedMessage", size, peer = $sconn
     if size > 0:
       var buffer = newSeq[byte](size)
       await sconn.stream.readExactly(addr buffer[0], buffer.len)
@@ -450,7 +450,7 @@ method write*(sconn: NoiseConnection, message: seq[byte]): Future[void] {.async.
       lesize = cipher.len.uint16
       besize = lesize.toBytesBE
       outbuf = newSeqOfCap[byte](cipher.len + 2)
-    trace "sendEncryptedMessage", size = lesize, peer = $sconn.peerInfo, left, offset
+    trace "sendEncryptedMessage", size = lesize, peer = $sconn, left, offset
     outbuf &= besize
     outbuf &= cipher
     await sconn.stream.write(outbuf)
diff --git a/libp2p/switch.nim b/libp2p/switch.nim
index 7cb5e2787..9b43664e7 100644
--- a/libp2p/switch.nim
+++ b/libp2p/switch.nim
@@ -82,9 +82,15 @@ proc identify(s: Switch, conn: Connection): Future[PeerInfo] {.async, gcsafe.} =
       if info.addrs.len > 0:
         result.addrs = info.addrs
 
+      if info.agentVersion.isSome:
+        result.agentVersion = info.agentVersion.get()
+
+      if info.protoVersion.isSome:
+        result.protoVersion = info.protoVersion.get()
+
       if info.protos.len > 0:
         result.protocols = info.protos
-
+      debug "identify", info = shortLog(result)
   except IdentityInvalidMsgError as exc:
     error "identify: invalid message", msg = exc.msg
   except IdentityNoMatchError as exc:
@@ -126,8 +132,6 @@ proc mux(s: Switch, conn: Connection): Future[void] {.async, gcsafe.} =
   finally:
     await stream.close() # close identify stream
 
-  trace "connection's peerInfo", peerInfo = $conn.peerInfo
-
   # store it in muxed connections if we have a peer for it
   if not isNil(conn.peerInfo):
     trace "adding muxer for peer", peer = conn.peerInfo.id
@@ -299,7 +303,7 @@ proc mount*[T: LPProtocol](s: Switch, proto: T) {.gcsafe.} =
   s.ms.addHandler(proto.codec, proto)
 
 proc start*(s: Switch): Future[seq[Future[void]]] {.async, gcsafe.} =
-  trace "starting switch for peer", peerInfo = $s.peerInfo
+  trace "starting switch for peer", peerInfo = shortLog(s.peerInfo)
 
   proc handle(conn: Connection): Future[void] {.async, closure, gcsafe.} =
     try:
@@ -432,7 +436,7 @@ proc newSwitch*(peerInfo: PeerInfo,
   let s = result # can't capture result
   result.streamHandler = proc(stream: Connection) {.async, gcsafe.} =
     try:
-      trace "handling connection for", peerInfo = $stream.peerInfo
+      trace "handling connection for", peerInfo = $stream
       try:
         await s.ms.handle(stream) # handle incoming connection
       finally: