попробовал на другом компе
[2021-03-10 13:51:03] Device[192.0.0.64] test tftpserver
[2021-03-10 13:51:09] Connect client[192.0.0.64] success
[2021-03-10 13:51:09] Connect client[192.0.0.64] success
[2021-03-10 13:51:09] Connect client[192.0.0.64] success
[2021-03-10 13:51:09] Connect...