panic: runtime error: integer divide by zero

goroutine 1245597 [running]:
panic(0xedb4a0, 0x19eb800)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc0028f9330 sp=0xc0028f9278 pc=0x43438d
runtime.panicdivide()
	GOROOT/src/runtime/panic.go:191 +0x5b fp=0xc0028f9350 sp=0xc0028f9330 pc=0x432afb
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).bucket(0xc000343a90, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000, 0x800, 0x0)
	pkg/tcpip/stack/conntrack.go:508 +0x299 fp=0xc0028f93f0 sp=0xc0028f9350 pc=0x7ba6d9
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).connForTID(0xc000343a90, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000, 0x800, 0x0, 0x0)
	pkg/tcpip/stack/conntrack.go:247 +0xa4 fp=0xc0028f94d8 sp=0xc0028f93f0 pc=0x7b8954
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).originalDst(0xc000343a90, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x20, 0xf456e0, ...)
	pkg/tcpip/stack/conntrack.go:621 +0xe6 fp=0xc0028f9570 sp=0xc0028f94d8 pc=0x7bb076
gvisor.dev/gvisor/pkg/tcpip/stack.(*IPTables).OriginalDst(...)
	pkg/tcpip/stack/iptables.go:422
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).GetSockOpt(0xc002bfec00, 0xe5d980, 0xc00178fb40, 0xc0019052b0)
	pkg/tcpip/transport/tcp/endpoint.go:2017 +0x111 fp=0xc0028f9670 sp=0xc0028f9570 pc=0x99d941
gvisor.dev/gvisor/pkg/sentry/socket/netstack.getSockOptIP(0xc002ba2000, 0x7fd7b1b927c0, 0xc002bfec00, 0x50, 0x55, 0xa, 0xc0028f97a0, 0x40a605, 0xf441e0)
	pkg/sentry/socket/netstack/netstack.go:1613 +0xa32 fp=0xc0028f9740 sp=0xc0028f9670 pc=0x9e1532
gvisor.dev/gvisor/pkg/sentry/socket/netstack.GetSockOpt(0xc002ba2000, 0x120c1a0, 0xc0003abf00, 0x7fd7b1b927c0, 0xc002bfec00, 0xa, 0x1, 0x0, 0x50, 0x55, ...)
	pkg/sentry/socket/netstack/netstack.go:998 +0x163 fp=0xc0028f97b0 sp=0xc0028f9740 pc=0x9dcfb3
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketOperations).GetSockOpt(0xc0003abf00, 0xc002ba2000, 0x0, 0x50, 0x20000000, 0x55, 0x0, 0x0, 0x0)
	pkg/sentry/socket/netstack/netstack.go:981 +0x8a8 fp=0xc0028f99c8 sp=0xc0028f97b0 pc=0x9dcdb8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getSockOpt(0xc002ba2000, 0x7fd7b1b926a8, 0xc0003abf00, 0x0, 0x50, 0x20000000, 0x55, 0xc002ba293c, 0x10, 0x90)
	pkg/sentry/syscalls/linux/sys_socket.go:514 +0xae fp=0xc0028f9a38 sp=0xc0028f99c8 pc=0x92e17e
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.GetSockOpt(0xc002ba2000, 0x4, 0x0, 0x50, 0x20000000, 0x20000080, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_socket.go:468 +0x218 fp=0xc0028f9b08 sp=0xc0028f9a38 pc=0x92dc78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002ba2000, 0x37, 0x4, 0x0, 0x50, 0x20000000, 0x20000080, 0x0, 0x0, 0x10397e0, ...)
	pkg/sentry/kernel/task_syscall.go:170 +0x122 fp=0xc0028f9c68 sp=0xc0028f9b08 pc=0x8bd782
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002ba2000, 0x37, 0x4, 0x0, 0x50, 0x20000000, 0x20000080, 0x0, 0x20000080, 0x0)
	pkg/sentry/kernel/task_syscall.go:305 +0x66 fp=0xc0028f9cf0 sp=0xc0028f9c68 pc=0x8be966
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002ba2000, 0x37, 0x4, 0x0, 0x50, 0x20000000, 0x20000080, 0x0, 0x11d9401, 0x100000000000000)
	pkg/sentry/kernel/task_syscall.go:265 +0x96 fp=0xc0028f9d50 sp=0xc0028f9cf0 pc=0x8be4f6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002ba2000, 0x2, 0xc002ba2000)
	pkg/sentry/kernel/task_syscall.go:240 +0x15c fp=0xc0028f9e10 sp=0xc0028f9d50 pc=0x8bde8c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc002ba2000, 0x11d9400, 0x0)
	pkg/sentry/kernel/task_run.go:274 +0xc18 fp=0xc0028f9f60 sp=0xc0028f9e10 pc=0x8b27b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002ba2000, 0x9d02)
	pkg/sentry/kernel/task_run.go:92 +0x18b fp=0xc0028f9fd0 sp=0xc0028f9f60 pc=0x8b148b
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc0028f9fd8 sp=0xc0028f9fd0 pc=0x467d61
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:318 +0xfe