EAI2 Name or serivice not known could not resolve host name |MULTI_IP|

Dear all,

I am getting the following error messages when starting up httpd service
any ideas why ?

[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!
[Fri Jun 29 23:23:09 2012] [error] (EAI 2)Name or service not known: Could not resolve host name |MULTI_IP| — ignoring!