Feature | Linux upstream | Linux OVS tree | Userspace | Hyper-V |
----------------------|:--------------:|:--------------:|:---------:|:-------:|
SCTP flows | 3.12 | YES | YES | YES |
-MPLS | 3.19 | YES | YES | NO |
+MPLS | 3.19 | YES | YES | YES |
UFID | 4.0 | YES | YES | NO |
Megaflows | 3.12 | YES | YES | NO |
Masked set action | 4.0 | YES | YES | NO |