Issue facing in Maintainence Page

e.g.

 configuration

root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm virtual bar
ltm virtual bar {
    destination 172.28.24.10:80
    ip-protocol tcp
    mask 255.255.255.255
    pool foo
    profiles {
        http { }
        tcp { }
    }
    rules {
        qux
    }
    source 0.0.0.0/0
    source-address-translation {
        type automap
    }
    vs-index 9
}
root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm pool foo
ltm pool foo {
    members {
        200.200.200.101:80 {
            address 200.200.200.101
        }
    }
}
root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm pool maintpool
ltm pool maintpool {
    members {
        200.200.200.111:88 {
            address 200.200.200.111
        }
    }
}
root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm rule qux
ltm rule qux {
    when RULE_INIT {
  set static::mainthost "xyz.gems.com:88"
  set static::maintreq "GET /apologies/apologies.htm HTTP/1.1\r\nHost: ${static::mainthost}\r\nConnection: Close\r\n\r\n"
}
when HTTP_REQUEST {
  if { [HTTP::host] equals $static::mainthost } {
    set is_maint 1
    pool maintpool
  } else {
    set is_maint 0
  }
}
when HTTP_RESPONSE {
  if { not($is_maint) and [HTTP::status] starts_with "4" } {
    HTTP::retry $static::maintreq
  }
}
}

 trace

[root@ve11a:Active:In Sync] config  ssldump -Aed -nni 0.0 port 80 or port 88
New TCP connection 1: 172.28.24.1(57099) <-> 172.28.24.10(80)
1418530911.5045 (0.0025)  C>S
---------------------------------------------------------------
HEAD /abc123 HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: 172.28.24.10
Accept: */*

---------------------------------------------------------------

New TCP connection 2: 200.200.200.14(57099) <-> 200.200.200.101(80)
1418530911.5056 (0.0009)  C>S
---------------------------------------------------------------
HEAD /abc123 HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: 172.28.24.10
Accept: */*

---------------------------------------------------------------

1418530911.5075 (0.0019)  S>C
---------------------------------------------------------------
HTTP/1.1 404 Not Found
Date: Sun, 14 Dec 2014 04:06:23 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sun, 09 Feb 2014 08:39:51 GMT
ETag: "41879c-59-2a9c23c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8

---------------------------------------------------------------

2    1418530911.5075 (0.0000)  C>S  TCP FIN
2    1418530911.5090 (0.0015)  S>C  TCP FIN
New TCP connection 3: 200.200.200.14(57099) <-> 200.200.200.111(88)
1418530911.5091 (0.0015)  C>S
---------------------------------------------------------------
GET /apologies/apologies.htm HTTP/1.1
Host: xyz.gems.com:88
Connection: Close

---------------------------------------------------------------