diff --git a/.github/workflows/build-x86-image.yaml b/.github/workflows/build-x86-image.yaml
index 113db70ac89..718ab0c6149 100644
--- a/.github/workflows/build-x86-image.yaml
+++ b/.github/workflows/build-x86-image.yaml
@@ -428,7 +428,7 @@ jobs:
       - build-e2e-binaries
       - netpol-path-filter
     runs-on: ubuntu-22.04
-    timeout-minutes: 60
+    timeout-minutes: 90
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/scheduled-e2e.yaml b/.github/workflows/scheduled-e2e.yaml
index e25e3ec1dc0..3f75593b9fb 100644
--- a/.github/workflows/scheduled-e2e.yaml
+++ b/.github/workflows/scheduled-e2e.yaml
@@ -108,7 +108,7 @@ jobs:
   k8s-netpol-e2e:
     name: Kubernetes Network Policy E2E
     runs-on: ubuntu-22.04
-    timeout-minutes: 60
+    timeout-minutes: 90
     strategy:
       fail-fast: false
       matrix:
diff --git a/Makefile.e2e b/Makefile.e2e
index 35cd483761d..afa0c08ec58 100644
--- a/Makefile.e2e
+++ b/Makefile.e2e
@@ -86,7 +86,7 @@ k8s-netpol-legacy-e2e:
 .PHONY: k8s-netpol-e2e
 k8s-netpol-e2e:
 	ginkgo build $(E2E_BUILD_FLAGS) ./test/e2e/k8s-network
-	ginkgo -p --randomize-all -v --timeout=2h \
+	ginkgo --randomize-all -v --timeout=2h \
 		$(call ginkgo_option,focus,$(K8S_NETPOL_E2E_FOCUS)) \
 		$(call ginkgo_option,skip,$(K8S_NETPOL_E2E_SKIP)) \
 		./test/e2e/k8s-network/k8s-network.test
diff --git a/dist/images/Dockerfile.base b/dist/images/Dockerfile.base
index d9ade2422bb..d459bd8b381 100644
--- a/dist/images/Dockerfile.base
+++ b/dist/images/Dockerfile.base
@@ -29,8 +29,6 @@ RUN cd /usr/src/ && \
 
 RUN cd /usr/src/ && git clone -b branch-22.12 --depth=1 https://github.com/ovn-org/ovn.git && \
     cd ovn && \
-    # do not send direct traffic between lports to conntrack
-    curl -s https://github.com/kubeovn/ovn/commit/4124fb623183541b80a577846ce145c7faf8eb5d.patch | git apply && \
     # change hash type from dp_hash to hash with field src_ip
     curl -s https://github.com/kubeovn/ovn/commit/daa09e380eec61620d4ee317e3265c44366d1147.patch | git apply && \
     # set ether dst addr for dnat on logical switch
@@ -111,7 +109,7 @@ RUN --mount=type=bind,target=/packages,from=ovs-builder,source=/packages  \
 ARG DEBUG=false
 RUN --mount=type=bind,target=/packages,from=ovs-builder,source=/packages \
     if [ "${DEBUG}" = "true" ]; then \
-        apt update && apt install -y --no-install-recommends valgrind && \
+        apt update && apt install -y --no-install-recommends gdb valgrind && \
         rm -rf /var/lib/apt/lists/* && \
         dpkg -i --ignore-depends=openvswitch-switch,openvswitch-common /packages/*.ddeb; \
     fi