OFPST_GROUP_FEATURES reply (OF1.2):
Group table:
Types: 0xf
- Capabilities: 0x7
+ Capabilities: 0x3
all group:
max_groups=0xffffff00
actions: output group set_field strip_vlan push_vlan mod_nw_ttl dec_ttl set_mpls_ttl dec_mpls_ttl push_mpls pop_mpls set_queue