【22.03】开启了rpcbind服务之后，杀掉rpcbind主进程再执行rpcbind -h 127.0.0.1会abort（core dumped）

OS：22.03
rpcbind：rpcbind-1.2.6-2.oe1.aarch64

【问题复现步骤】
```
[root@openEuler ETS]# ps aux | grep rpcbind
rpc          838  0.0  0.1  11300  4452 ?        Ss   14:55   0:00 /usr/bin/rpcbind -w -f
root       22261  0.0  0.0   5980  1900 pts/1    S+   17:26   0:00 grep --color=auto rpcbind
[root@openEuler ETS]# systemctl status rpcbind
● rpcbind.service - RPC Bind
     Loaded: loaded (/usr/lib/systemd/system/rpcbind.service; enabled; vendor preset: enabled)
     Active: active (running) since Sat 2022-02-26 14:55:07 CST; 2h 32min ago
TriggeredBy: ● rpcbind.socket
       Docs: man:rpcbind(8)
   Main PID: 838 (rpcbind)
      Tasks: 1 (limit: 17870)
     Memory: 2.5M
     CGroup: /system.slice/rpcbind.service
             └─838 /usr/bin/rpcbind -w -f

Feb 26 14:55:07 openEuler systemd[1]: Starting RPC Bind...
Feb 26 14:55:07 openEuler systemd[1]: Started RPC Bind.
[root@openEuler ETS]# killall rpcbind; rpcbind -h 127.0.0.1
free(): double free detected in tcache 2
Aborted (core dumped)
[root@openEuler ETS]# echo $?
134
```

【预期结果】
rpcbind -h 127.0.0.1 执行成功返回0

src-openEuler/rpcbind

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