panic: too many concurrent operations on a single file or socket (max 1048575)

goroutine 4502790 [running]:
internal/poll.(*fdMutex).rwlock(0xc000202080, 0x0)
        /usr/local/go/src/internal/poll/fd_mutex.go:147 +0x13d
internal/poll.(*FD).writeLock(...)
        /usr/local/go/src/internal/poll/fd_mutex.go:239
internal/poll.(*FD).WriteTo(0xc000202080, {0xc1925b7100, 0x10, 0x40}, {0xb9b9a0, 0xc20ff747c0})
        /usr/local/go/src/internal/poll/fd_unix.go:332 +0x5e
net.(*netFD).writeTo(0xc000202080, {0xc1925b7100, 0x10, 0x40}, {0xb9b9a0, 0xc20ff747c0})
        /usr/local/go/src/net/fd_posix.go:80 +0x6f
net.(*UDPConn).writeTo(0xc0000b8000, {0xc1925b7100, 0x10, 0x40}, 0xc210508420)
        /usr/local/go/src/net/udpsock_posix.go:83 +0xd6
net.(*UDPConn).WriteToUDP(0xc0000b8000, {0xc1925b7100, 0x10, 0x40}, 0xc210508420)
        /usr/local/go/src/net/udpsock.go:156 +0x6d
github.com/chihaya/chihaya/frontend/udp.ResponseWriter.Write(...)
        /home/aranjedeath/chihaya/frontend/udp/frontend.go:249
github.com/chihaya/chihaya/frontend/udp.WriteConnectionID({0xb9bfc0, 0xc1a2395720}, {0xc192d2900c, 0x4, 0x7f4}, {0xc00e182bf8, 0x8, 0x8})
        /home/aranjedeath/chihaya/frontend/udp/writer.go:81 +0x111
github.com/chihaya/chihaya/frontend/udp.(*Frontend).handleRequest(0xc000156700, {{0xc192d29000, 0x10, 0x800}, {{{0x0, 0xffff5d8983c5}, 0xc000128168}, 0xcb99}}, {0xc0000b8000, 0xc210508420})
        /home/aranjedeath/chihaya/frontend/udp/frontend.go:290 +0x49b
github.com/chihaya/chihaya/frontend/udp.(*Frontend).serve.func1(0xc000156700, 0xc000518000, {0xc192d29000, 0x800, 0x800}, 0xc210508420, 0x10)
        /home/aranjedeath/chihaya/frontend/udp/frontend.go:220 +0x2af
created by github.com/chihaya/chihaya/frontend/udp.(*Frontend).serve
        /home/aranjedeath/chihaya/frontend/udp/frontend.go:206 +0x2b8
we crashed with code 2; restart
Tue Oct 12 21:06:41 UTC 2021