mtg стоит в контейнере на микротике rb4011 arm7
используется master сборка
периодически, примерно 50/50 вместо отработки правила proxy.domain-fronting выпадает ошибка:
{"level":"debug","logger":"ants","timestamp":1774659769148,"message":"worker exits from panic: runtime error: index out of range [-1]\ngoroutine 70 [running]:\nruntime/debug.Stack()\n\truntime/debug/stack.go:26 +0x78\ngithub.com/panjf2000/ants/v2.(*goWorkerWithFunc).run.func1.1()\n\tgithub.com/panjf2000/ants/v2@v2.12.0/worker_func.go:61 +0x108\npanic({0x6dea38, 0x325c0e0})\n\truntime/panic.go:860 +0x104\ngithub.com/9seconds/mtg/v2/events.EventStream.Send({{0x756368, 0x30011a0}, 0x3002f18, {0x32f46b0, 0x4, 0x4}}, {0x7563f4, 0x30ba720}, {0x754f88, 0x30ba7e0})\n\tgithub.com/9seconds/mtg/v2/events/event_stream.go:41 +0x190\ngithub.com/9seconds/mtg/v2/mtglib.(*Proxy).ServeConn(0x32ad088, {0x7587a4, 0x316a070})\n\tgithub.com/9seconds/mtg/v2/mtglib/proxy.go:73 +0x3d4\ngithub.com/9seconds/mtg/v2/mtglib.NewProxy.func1({0x70c158, 0x316a070})\n\tgithub.com/9seconds/mtg/v2/mtglib/proxy.go:370 +0x50\ngithub.com/panjf2000/ants/v2.(*goWorkerWithFunc).run.func1()\n\tgithub.com/panjf2000/ants/v2@v2.12.0/worker_func.go:72 +0xbc\ncreated by github.com/panjf2000/ants/v2.(*goWorkerWithFunc).run in goroutine 45\n\tgithub.com/panjf2000/ants/v2@v2.12.0/worker_func.go:49 +0x7c\n\n"}

с чем этом может быть связано?