我嘗試運行dpkg -r以刪除已安裝的軟體包，但得到以下資訊：
>sudo dpkg -r my-pckg
(Reading database ... 57461 files and directories currently installed.)
Removing my-pckg ...
No munin plugin provided. Not deconfiguring munin
Deconfiguring snmp entries
Warning: Failed to restart snmpd service. .
Please run sudo service snmpd restart
Processing triggers for ureadahead ...
當我嘗試重新啟動時snmpd，我得到以下信息
>sudo service snmpd restart
* Restarting network management services:
當我列出所有服務 ( sudo service --status-all) 時，snmpd 顯示為
[-] SNMPD
snmpd 在 dpkg 刪除中扮演什麼角色？我該如何解決這個問題？