Update OVS version from 2.14.2 to 2.15.1 [Linux] (#2515)

One interesting fix is to Geneve tunnel support in the userspace
datapath. See #897.

Signed-off-by: Antonin Bas <abas@vmware.com>

build/images/deps/ovs-version

@@ -1 +1 @@
-2.14.2
+2.15.1

build/images/ovs/apply-patches.sh

@@ -35,8 +35,8 @@ function version_let() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" == "
 # greater than or equal to
 function version_get() { test "$(printf '%s\n' "$@" | sort -rV | head -n 1)" == "$1"; }
 
-if version_lt "$OVS_VERSION" "2.13.0" || version_get "$OVS_VERSION" "2.15.0"; then
-    echoerr "OVS_VERSION $OVS_VERSION is not supported (must be >= 2.13.0 and < 2.15.0)"
+if version_lt "$OVS_VERSION" "2.13.0" || version_gt "$OVS_VERSION" "2.15.1"; then
+    echoerr "OVS_VERSION $OVS_VERSION is not supported (must be >= 2.13.0 and <= 2.15.1)"
     exit 1
 fi
 

docs/troubleshooting.md

@@ -222,7 +222,7 @@ f06768ee-17ec-4abb-a971-b3b76abc8cda
         Port antrea-gw0
             Interface antrea-gw0
             type: internal
-    ovs_version: "2.14.2"
+    ovs_version: "2.15.1"
 ```
 
 - `ovs-ofctl show br-int`: show OpenFlow information of the OVS bridge.