panic: kvEventsCache is not empty

[wlwilliamx]

git hash: 838fb29

panic: kvEventsCache is not empty [recovered]
        panic: handleLoop panic

goroutine 804 [running]:
go.uber.org/zap/zapcore.CheckWriteAction.OnWrite(0x2, 0xc0055dc410, {0x48?, 0xc0056c1400?, 0x3ed?})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/zapcore/entry.go:196 +0x9f
go.uber.org/zap/zapcore.(*CheckedEntry).Write(0xc0055dc410, {0xc0056bc100, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/zapcore/entry.go:262 +0x3ad
go.uber.org/zap.(*Logger).Panic(0xc003591480, {0xbd86b70, 0x10}, {0xc0056bc100, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/logger.go:285 +0x68
github.com/pingcap/log.Panic({0xbd86b70, 0x10}, {0xc0056bc100, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/github.com/pingcap/[email protected]/global.go:54 +0x72
github.com/pingcap/ticdc/utils/dynstream.(*stream[...]).handleLoop.func2()
        /root/workspace/repo/ticdc/utils/dynstream/stream.go:349 +0x2d6
panic({0xafcbfe0?, 0xc0055ef790?})
        /root/.gvm/gos/go1.23.2/src/runtime/panic.go:785 +0x132
go.uber.org/zap/zapcore.CheckWriteAction.OnWrite(0x2, 0xc0055dc340, {0x4a?, 0xc0056c4000?, 0x113?})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/zapcore/entry.go:196 +0x9f
go.uber.org/zap/zapcore.(*CheckedEntry).Write(0xc0055dc340, {0xc0056bc080, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/zapcore/entry.go:262 +0x3ad
go.uber.org/zap.(*Logger).Panic(0xc003591480, {0xbdd1f04, 0x1a}, {0xc0056bc080, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/go.uber.org/[email protected]/logger.go:285 +0x68
github.com/pingcap/log.Panic({0xbdd1f04, 0x1a}, {0xc0056bc080, 0x2, 0x2})
        /root/.gvm/pkgsets/go1.23.2/global/pkg/mod/github.com/pingcap/[email protected]/global.go:54 +0x72
github.com/pingcap/ticdc/logservice/logpuller.(*regionEventHandler).Handle(0xc003e360e8, 0xc00322ed10, {0xc0039ee000, 0x36, 0x400})
        /root/workspace/repo/ticdc/logservice/logpuller/region_event_handler.go:62 +0x2bb
github.com/pingcap/ticdc/utils/dynstream.(*stream[...]).handleLoop(0xcf1cbe0, {0x0, 0x0, 0x0}, {0x0?, 0x0, 0x0})
        /root/workspace/repo/ticdc/utils/dynstream/stream.go:428 +0x9db
created by github.com/pingcap/ticdc/utils/dynstream.(*stream[...]).start in goroutine 541
        /root/workspace/repo/ticdc/utils/dynstream/stream.go:270 +0x34a