loxilb crash after creating load-balancer rule

[PacketCrunch]

loxilb build info

loxilb version: 0.7.0 2022_08_31-main

Logs

panic: runtime error: invalid memory address or nil pointer dereference

goroutine 21 [running]:
[github.com/loxilb-io/loxilb/loxinet.(*DpEbpfH).DpStat(0xc0000bcf20](https://github.com/loxilb-io/loxilb/loxinet.(*DpEbpfH).DpStat(0xc0000bcf20)?, 0xc003f06100)
	/root/loxilb-io/loxilb/loxinet/dpebpf_linux.go:758 +0x429
[github.com/loxilb-io/loxilb/loxinet.(*DpH).DpWorkOnStat(...)](https://github.com/loxilb-io/loxilb/loxinet.(*DpH).DpWorkOnStat(...))
	/root/loxilb-io/loxilb/loxinet/dpbroker.go:335
[github.com/loxilb-io/loxilb/loxinet.DpWorkSingle(0xc0000bcf88](https://github.com/loxilb-io/loxilb/loxinet.DpWorkSingle(0xc0000bcf88)?, {0xb7af80?, 0xc003f06100?})
	/root/loxilb-io/loxilb/loxinet/dpbroker.go:372 +0x1d3
[github.com/loxilb-io/loxilb/loxinet.DpWorker(0x0](https://github.com/loxilb-io/loxilb/loxinet.DpWorker(0x0)?, 0xc00010ed20, 0xc000130c60)
	/root/loxilb-io/loxilb/loxinet/dpbroker.go:387 +0xe5
created by [github.com/loxilb-io/loxilb/loxinet.DpBrokerInit](https://github.com/loxilb-io/loxilb/loxinet.DpBrokerInit)
	/root/loxilb-io/loxilb/loxinet/dpbroker.go:406 +0x16e

Steps to reproduce

1. Create any LB rule as follows

loxicmd create lb 20.20.20.1 --tcp=2020:5001 --endpoints=32.32.32.1:1