Both image and file backup are slow as jail on Truenas system

Both image and file backup are slow as jail on Truenas system. Speed is between 20 mbit/s - 100 mbit/s
The configuration on Truenas is below:
Server: Dell R430 / HBA mode enabled / OS: 64 GB USB Flash Disk / 4x 8TB WD Red Pro
Truenas version: 13.0 stable
urbackup jail : 13.1-RELEASE-p2
urbackup version: 2.5.16
Two physical 1 gbit interface, one for truenas management and the other is for urbackup jail
Jail network : NAT , VNET, Berkeley Packet Filter (None of them are selected)
Client and Jail Network are in the same subnet / auto discovery works like a charm

Any answer?

@Ali_Guller Try latest 2.4.x client. Works for me.

Hi,
I uninstalled 2.5.20 and installed 2.4.11. It works like a charm now. Speed is as I expected now
Thank you so much