Unlink 후 재가입 시

문의 시 사용하시는 SDK 버전 정보를 알려주세요.

cocoapod으로 KakaoSDKAuth를 설치하여 카카오톡 로그인 기능을 사용하고 있습니다
탈퇴 기능을 넣었는데 unlink 성공 콜백을 받고 탈퇴는 정상적으로 작동합니다.
다만 로그인을 하려 하면 토큰 발급이 되지 않고 일정 시간(1분~ 5분 미만) 정도 지나야 토큰이 발급 되는데 여기서 제가 뭘 빠뜨린 건가요?

혹시 그현상 있을때 sdk 로그가 있을까요?

로그가 있다면 app id와 호출하신 시간 부탁드립니다.

sdk 버전 : cocoapod으로 최신 버전 설치
Xcode: 12
iOS: 14
현상: unlink 후 다시 로그인을 시도할 경우 토큰 발급이 되질 않아 다시 시도해야 하는 때가 간헐적으로 발생합니다,
app id: 489724
sdk에서 출력된 로그:
2020-12-18 09:56:56.050286+0900 picple[1342:296610] [connection] nw_read_request_report [C72] Receive failed with error "Software caused connection abort"
2020-12-18 09:56:56.052326+0900 picple[1342:296610] [connection] nw_read_request_report [C74] Receive failed with error "Software caused connection abort"
2020-12-18 09:56:56.052497+0900 picple[1342:296610] [connection] nw_read_request_report [C75] Receive failed with error "Software caused connection abort"
2020-12-18 09:56:56.052663+0900 picple[1342:296610] [connection] nw_read_request_report [C76] Receive failed with error "Software caused connection abort"
2020-12-18 09:56:56.055123+0900 picple[1342:296610] [connection] nw_flow_add_read_request [C85.1 203.133.166.32:443 ready channel-flow (satisfied (Path is satisfied), viable, interface: en0, ipv4, dns)] already delivered final read, cannot accept read requests
2020-12-18 09:56:56.055188+0900 picple[1342:296610] [connection] nw_read_request_report [C85] Receive failed with error "No message available on STREAM"
2020-12-18 09:56:56.056908+0900 picple[1342:296610] Task <8F5289DE-5BBE-41C4-83DB-7EF881FD75B5>.<20> HTTP load failed, 414/0 bytes (error code: -1005 [4:-4])
2020-12-18 09:56:56.060295+0900 picple[1342:296673] Task <8F5289DE-5BBE-41C4-83DB-7EF881FD75B5>.<20> finished with error [-1005] Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.” UserInfo={_kCFStreamErrorCodeKey=-4, NSUnderlyingError=0x283f504b0 {Error Domain=kCFErrorDomainCFNetwork Code=-1005 “(null)” UserInfo={NSErrorPeerAddressKey=<CFData 0x2813cf160 [0x1df5d5b20]>{length = 16, capacity = 16, bytes = 0x100201bbcb85a6200000000000000000}, _kCFStreamErrorCodeKey=-4, _kCFStreamErrorDomainKey=4}}, _NSURLErrorFailingURLSessionTaskErrorKey=LocalDataTask <8F5289DE-5BBE-41C4-83DB-7EF881FD75B5>.<20>, _NSURLErrorRelatedURLSessionTaskErrorKey=(
“LocalDataTask <8F5289DE-5BBE-41C4-83DB-7EF881FD75B5>.<20>”
), NSLocalizedDescription=The network connection was lost., NSErrorFailingURLStringKey=https://kauth.kakao.com/oauth/token, NSErrorFailingURLKey=https://kauth.kakao.com/oauth/token, _kCFStreamErrorDomainKey=4}
The operation couldn’t be completed. (KakaoSDKCommon.SdkError error 0.)