Ok let's see here, changed a couple of things now, got some results from tcpdump, host sees the packets, and responds, but the respond aint able to get back to vm2 it looks like:
01:02:00.154797 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) vm2 > hostserver.: ICMP...