Here is the output of a cat /var/log/messages | grep tftp
Feb 14 16:15:00 kaizerr in.tftpd[5416]: /Russian: No such file or directory
Feb 14 16:15:03 kaizerr in.tftpd[5419]: /Russian: No such file or directory
Feb 14 16:15:06 kaizerr in.tftpd[5420]: /Russian: No such file or directory
Feb 14 16:15:09 kaizerr in.tftpd[5421]: /Russian: No such file or directory
Feb 14 16:16:39 kaizerr in.tftpd[5410]: recvfrom: Socket operation on non-socket
Feb 14 17:53:04 kaizerr in.tftpd[4850]: cannot set groups for user nobody
Feb 14 17:53:07 kaizerr in.tftpd[4851]: cannot set groups for user nobody
Feb 14 17:53:10 kaizerr in.tftpd[4852]: cannot set groups for user nobody
Feb 14 17:53:13 kaizerr in.tftpd[4853]: cannot set groups for user nobody
The last lines go after I changed owner and mode of /tftpboot/quintum/ivr/Russian/*.wav