[BUG]: String conversion error when turn native webrtc log

Package version

3.0.0-pre.7

Environment

* OS: Windows10
* Unity version:: Unity 2021.3

Steps To Reproduce

Turn on native log via:
WebRTC.Initialize(true, true);

After running some time, it got error in logs:
001:977: Port[5932c8d0:1:1:0:local:Net[Intel(R):10.59.60.x/32:Ethernet:id=3]]: Gathered candidate: Cand[:252203621:1:udp:2122129151:10.59.60.x:65027:local::0:ItnH:EDLIe6ck1PlXm3RfCJ6RoNb1:3:0:0]
001:977: Port[5932c8d0:1:1:0:local:Net[Intel(R):10.59.60.x/32:Ethernet:id=3]]: Port ready.
001:977: Port[5932c8d0:1:1:0:local:Net[Intel(R):10.59.60.x/32:Ethernet:id=3]]: Starting STUN host lookup for stun.l.google.com:19302
001:977: Port[5932c8d0:1:1:0:local:Net[Intel(R):10.59.60.x/32:Ethernet:id=3]]: Starting STUN host lookup for stun1.l.google.com:19302
001:977: Setting RTCP Transport on 0 transport 0
001:977: Setting RTP Transport on 0 transport 26abf440
001:977: Set ICE ufrag: BqeI pwd: JlPffUjlx/dvXcGElw6upIar on transport 0
001:977: DtlsTransport[0|1|__]: DTLS setup complete.
001:977: Session: 9107051533049479575 Old state: have-remote-offer New state: stable
001:977: Port[528b3f90:0:1:0:local:Net[宽带连接:2409:871e:8f00❌x❌x:x/128:Unknown:id=2]]: StunPort: stun host lookup received error 0
ExecutionEngineException: String conversion error: Illegal byte sequence encounted in the input.
at (wrapper managed-to-native) System.Object.__icall_wrapper_ves_icall_string_new_wrapper(intptr)
at (wrapper native-to-managed) Unity.WebRTC.WebRTC.DebugLog(intptr)
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
UnityEngine.Logger:LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception)
UnityEngine.<>c:b__0_0(Object, UnhandledExceptionEventArgs)
System.Object:__icall_wrapper_ves_icall_string_new_wrapper(IntPtr)

Current Behavior

No response

Expected Behavior

No response

Anything else?

No response