strange DHCP behavior

[Igor Smitran]

Server: up2date Centos 6.3 x64

Software: freeradius 2.2.0

configured by ./configure, generated by GNU Autoconf 2.61,
   with options \"'--prefix=/usr/local/freeradius' '--with-dhcp' 
'--with-rlm_mysql=no' '--with-rlm_perl=no' --enable-ltdl-install\"

radiusd -X starts OK, and then, after first DHCP discover is received:

Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on command file /usr/local/freeradius/var/run/radiusd/radiusd.sock
Listening on authentication address 127.0.0.1 port 18120 as server 
inner-tunnel
Listening on dhcp interface eth1 address * port 67 as server dhcp
Listening on proxy address * port 1814
Ready to process requests.

Received DHCP-Discover of id 08f11b15 from 10.21.192.1:67 to 0.0.0.0:67
Parse error Parse error or name in attributein attributein ode" Dropping 
packet without response.
Going to the next request
Waking up in 0.9 seconds.

--------------------------
It is happening with default dhcp config. Only what is changed is:

         port = 67
         ipaddr = ***** (ommited)
         interface = eth0

This is entirely new server, installed only for dhcp testing. Mysql and 
perl will be added later.

Any idea?