040000 tree 1ee6b5bccf93032446077df7b47ed8aa300d4521	baremetal
040000 tree f2870f396b824979ed4c67b731ee5612384b8f69	kvm
040000 tree 0967c642039673943251b455441b0fe3620c77f5	ovm
040000 tree b94fbdcf0cb57b60fb4ee5d8f20a197a1e1733f4	simulator
040000 tree 4ec9d929231ee5538b7f9eb7aad1cf76defd92d3	vmware
040000 tree bfddb8805e2e1ece560238a6d0db07ed1a7ce0c6	xen