Network Inconsistency to VM

[MichaelAsg]

Nas is a 463 U, works well, Solid ping, no issues

Ping to a VM (only one running there) very inconsistent

Pinging 192.168.0.26 with 32 bytes of data:
Request timed out.
Reply from 192.168.0.26: bytes=32 time=2ms TTL=64
Request timed out.
Reply from 192.168.0.26: bytes=32 time=4ms TTL=64
Request timed out.
Request timed out.
Reply from 192.168.0.26: bytes=32 time=1ms TTL=64
Reply from 192.168.0.26: bytes=32 time=2ms TTL=64
Request timed out.
Reply from 192.168.0.26: bytes=32 time=1ms TTL=64
Request timed out.

Any ideas?