Finally! I have spent some time to allow the GbE NIC worked as expected.
Have just drop down a vCenter, when changing Virtual Switches after deleting a Management Network:
so – be careful when you move Switches!
This is how it looks now:
vmnic1 – is a really GbE NIC
vmnic0 – is motherboard GbE NIC, but it cant handle more that 300 mbps
And now its working