Description of problem:

OCP version: 4.6.12
Cloud provider: Azure
RHCOS kernel version: 4.18.0-193.40.1.el8_2.x86_64
Network plugin: SDN

- create a new test namespace
- create a new dummy (sleep) pod on a worker node and access it with `oc rsh`
- perform a ping to the DNS pods IP 
- perform a dig to the DNS pods IP


# oc rsh sleep
sh-4.2#
sh-4.2# ping 10.130.0.38
PING 10.130.0.38 (10.130.0.38) 56(84) bytes of data.
^C
--- 10.130.0.38 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4117ms

sh-4.2#
sh-4.2# dig @10.130.0.38 -p 5353 <some DNS name>

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.3 <<>> @10.130.0.38 -p 5353 <some DNS name>
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
sh-4.2#


No NetworkPolicy in place:


# oc get networkpolicy -A
No resources found


Version-Release number of selected component (if applicable):
OCP version: 4.6.12
Cloud provider: Azure
RHCOS kernel version: 4.18.0-193.40.1.el8_2.x86_64


How reproducible:


Steps to Reproduce:
1.
2.
3.


Actual results:
VXLAN Network traffic blocked


Expected results:
VXLAN Network traffic allowed


Additional info: