95% CPU usage when transfering in 800 kb /sec

[fishy]

Hello. Just installed Pfsense in Hyper-V Server and have some CPU issues.

I get this while transfering a file in 800 kb/sec.

Anyone who have a solution?

last pid: 82481;  load averages:  0.28,  9.72, 16.96  up 0+04:13:54    19:59:53
83 processes:  2 running, 67 sleeping, 14 waiting

Mem: 14M Active, 11M Inact, 95M Wired, 27M Cache, 82M Buf, 575M Free
Swap: 2048M Total, 62M Used, 1985M Free, 3% Inuse

PID USERNAME PRI NICE  SIZE    RES STATE    TIME  WCPU COMMAND
**  12 root    -68    -    0K  224K WAIT    45:45 85.99% [intr{irq11: de0 de1}]**
  11 root    171 ki31    0K    16K RUN    201:28 11.96% [idle]
81687 root      49    0  118M 16668K piperd  0:01  0.98% /usr/local/bin/php

[fishy]

The added NIC is a Intel  EXPI9301CTBLK.