diff --git a/agent.go b/agent.go
index d86b86c..681cbcc 100644
--- a/agent.go
+++ b/agent.go
@@ -439,7 +439,7 @@ func (a *Agent) connectivityChecks() {
 
 			a.selector.ContactCandidates()
 		}); err != nil {
-			a.log.Warnf("taskLoop failed: %v", err)
+			a.log.Warnf("Failed to start connectivity checks: %v", err)
 		}
 	}
 
@@ -525,7 +525,7 @@ func (a *Agent) pingAllCandidates() {
 	a.log.Trace("pinging all candidates")
 
 	if len(a.checklist) == 0 {
-		a.log.Warn("pingAllCandidates called with no candidate pairs. Connection is not possible yet.")
+		a.log.Warn("Failed to ping without candidate pairs. Connection is not possible yet.")
 	}
 
 	for _, p := range a.checklist {
@@ -878,7 +878,7 @@ func (a *Agent) deleteAllCandidates() {
 func (a *Agent) findRemoteCandidate(networkType NetworkType, addr net.Addr) Candidate {
 	ip, port, _, ok := parseAddr(addr)
 	if !ok {
-		a.log.Warnf("Error parsing addr: %s", addr)
+		a.log.Warnf("Failed to parse address: %s", addr)
 		return nil
 	}
 
@@ -910,7 +910,7 @@ func (a *Agent) sendBindingSuccess(m *stun.Message, local, remote Candidate) {
 
 	ip, port, _, ok := parseAddr(base.addr())
 	if !ok {
-		a.log.Warnf("Error parsing addr: %s", base.addr())
+		a.log.Warnf("Failed to parse address: %s", base.addr())
 		return
 	}
 
diff --git a/agent_stats.go b/agent_stats.go
index 231c71d..b9ad718 100644
--- a/agent_stats.go
+++ b/agent_stats.go
@@ -48,7 +48,7 @@ func (a *Agent) GetCandidatePairsStats() []CandidatePairStats {
 		res = result
 	})
 	if err != nil {
-		a.log.Errorf("error getting candidate pairs stats %v", err)
+		a.log.Errorf("Failed to get candidate pairs stats: %v", err)
 		return []CandidatePairStats{}
 	}
 	return res
@@ -85,7 +85,7 @@ func (a *Agent) GetLocalCandidatesStats() []CandidateStats {
 		res = result
 	})
 	if err != nil {
-		a.log.Errorf("error getting candidate pairs stats %v", err)
+		a.log.Errorf("Failed to get candidate pair stats: %v", err)
 		return []CandidateStats{}
 	}
 	return res
@@ -115,7 +115,7 @@ func (a *Agent) GetRemoteCandidatesStats() []CandidateStats {
 		res = result
 	})
 	if err != nil {
-		a.log.Errorf("error getting candidate pairs stats %v", err)
+		a.log.Errorf("Failed to get candidate pair stats: %v", err)
 		return []CandidateStats{}
 	}
 	return res
diff --git a/gather.go b/gather.go
index db14109..34fcc78 100644
--- a/gather.go
+++ b/gather.go
@@ -127,7 +127,7 @@ func (a *Agent) gatherCandidatesLocal(ctx context.Context, networkTypes []Networ
 	// When UDPMux is enabled, skip other UDP candidates
 	if a.udpMux != nil {
 		if err := a.gatherCandidatesLocalUDPMux(ctx); err != nil {
-			a.log.Warnf("could not create host candidate for UDPMux: %s", err)
+			a.log.Warnf("Failed to create host candidate for UDPMux: %s", err)
 		}
 		delete(networks, udp)
 	}
@@ -175,14 +175,14 @@ func (a *Agent) gatherCandidatesLocal(ctx context.Context, networkTypes []Networ
 					a.log.Debugf("GetAllConns by ufrag: %s", a.localUfrag)
 					muxConns, err = multi.GetAllConns(a.localUfrag, mappedIP.To4() == nil, ip)
 					if err != nil {
-						a.log.Warnf("error getting all TCP connections by ufrag: %s %s %s", network, ip, a.localUfrag)
+						a.log.Warnf("Failed to get all TCP connections by ufrag: %s %s %s", network, ip, a.localUfrag)
 						continue
 					}
 				} else {
 					a.log.Debugf("GetConn by ufrag: %s", a.localUfrag)
 					conn, err := a.tcpMux.GetConnByUfrag(a.localUfrag, mappedIP.To4() == nil, ip)
 					if err != nil {
-						a.log.Warnf("error getting TCP connections by ufrag: %s %s %s", network, ip, a.localUfrag)
+						a.log.Warnf("Failed to get TCP connections by ufrag: %s %s %s", network, ip, a.localUfrag)
 						continue
 					}
 					muxConns = []net.PacketConn{conn}
@@ -206,7 +206,7 @@ func (a *Agent) gatherCandidatesLocal(ctx context.Context, networkTypes []Networ
 			case udp:
 				conn, err := listenUDPInPortRange(a.net, a.log, int(a.portMax), int(a.portMin), network, &net.UDPAddr{IP: ip, Port: 0})
 				if err != nil {
-					a.log.Warnf("could not listen %s %s", network, ip)
+					a.log.Warnf("Failed to listen %s %s", network, ip)
 					continue
 				}
 
@@ -405,13 +405,13 @@ func (a *Agent) gatherCandidatesSrflxUDPMux(ctx context.Context, urls []*URL, ne
 
 					xorAddr, err := a.udpMuxSrflx.GetXORMappedAddr(serverAddr, stunGatherTimeout)
 					if err != nil {
-						a.log.Warnf("could not get server reflexive address %s %s: %v", network, url, err)
+						a.log.Warnf("Failed get server reflexive address %s %s: %v", network, url, err)
 						return
 					}
 
 					conn, err := a.udpMuxSrflx.GetConnForURL(a.localUfrag, url.String(), localAddr)
 					if err != nil {
-						a.log.Warnf("could not find connection in UDPMuxSrflx %s %s: %v", network, url, err)
+						a.log.Warnf("Failed to find connection in UDPMuxSrflx %s %s: %v", network, url, err)
 						return
 					}