./make.sh prefetch build md5 checksum error

hello,
         i am trying to build ipcop 2.0.2 from svn, i have downloaded trunk
as per given instructions, while executing ./make.sh prefetch, it downloads
the sources for FAILS while downloading few packages and gives following
error

*** Retrying failed
files
wget    md5sum
klibc (Attempt:
2)
[ FAIL ] [ FAIL ]
libcap (Attempt:
2)
[ FAIL ] [ FAIL ]
linux-headers (Attempt:
2)
[ FAIL ] [ FAIL ]
lsof (Attempt:
2)
[ FAIL ] [ FAIL ]
mdadm (Attempt:
2)
[ FAIL ] [ FAIL ]
pcmciautils (Attempt:
2)
[ FAIL ] [ FAIL ]
udev (Attempt:
2)
[ FAIL ] [ FAIL ]
usbutils (Attempt:
2)
[ FAIL ] [ FAIL ]
klibc (Attempt:
3)
[ FAIL ] [ FAIL ]
libcap (Attempt:
3)
[ FAIL ] [ FAIL ]
linux-headers (Attempt:
3)
[ FAIL ] [ FAIL ]
lsof (Attempt:
3)
[ FAIL ] [ FAIL ]
mdadm (Attempt:
3)
[ FAIL ] [ FAIL ]
pcmciautils (Attempt:
3)
[ FAIL ] [ FAIL ]
udev (Attempt:
3)
[ FAIL ] [ FAIL ]
usbutils (Attempt:
3)
[ FAIL ] [ FAIL ]
Attempted to download 192 of 202
packages
[ INFO ]
*** 8 package(s) could not be downloaded
*** 8 package(s) had incorrect md5sum

             let me know how can i resolve this error...

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