The default ethernet port naming style is Ethernet0, Ethernet4...Ethernet(i*4) which isn't compatible with EOS's style Ethernet1,Ethernet2...Etherent(i+1)
SONiC-mgmt usually use EOS as neighbor devices. To relieve the compatible issue on SONiC as neighbor devices, This PR introduces a new SKU SONiC VM.
Signed-off-by: Ze Gan <ganze718@gmail.com>