[Bug 1891421] Re: kci_test_encap_fou() in rtnetlink.sh from kselftests/net failed with "FAIL: can't add fou port 7777, skipping test"

** Description changed:

+ == SRU Justification ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
  "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
 devdummy="test-dummy0"
 testns="testns"
 ip netns add "$testns"
 ip netns exec "$testns" ip link set lo up
 ip netns exec "$testns" ip link add name "$devdummy" type dummy
 ip netns exec "$testns" ip link set "$devdummy" up
 ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

- This is not a regression, it's the real test result after bug 1890136
- has been fixed.
+ This would require the fou module to be loaded before the test.
+
+ == Fix
+ * fca48e23f989 ("selftests: rtnetlink: load fou module for kci_test_encap_fou() test")
+
+ This patch needs to be backported for series after Xenial.
+
+ == Test ==
+ Patch tested directly on the kernel tree, the test will now pass as expected.
+
+ == Regression Potential ==
+ Low, change limited to the testing tool.
+
+
+ == Original Bug Report ==
+ The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
+   "FAIL: can't add fou port 7777, skipping test"
+
+ How to reproduce this:
+  devdummy="test-dummy0"
+  testns="testns"
+  ip netns add "$testns"
+  ip netns exec "$testns" ip link set lo up
+  ip netns exec "$testns" ip link add name "$devdummy" type dummy
+  ip netns exec "$testns" ip link set "$devdummy" up
+  ip netns exec "$testns" ip fou add port 7777 ipproto 47
+ RTNETLINK answers: No such file or directory
+ Error talking to the kernel
+
+
+ This is not a regression, it's the real test result after bug 1890136 has been fixed.

** Changed in: linux-oem-osp1 (Ubuntu)
Status: New => Invalid

** Changed in: linux-oem-osp1 (Ubuntu Focal)
Status: New => Invalid

** Changed in: linux-oem-osp1 (Ubuntu Groovy)
Status: New => Invalid

** Description changed:

== SRU Justification ==
+ The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of
+ kselftests/net will fail with non-zero return value, and print:
+ "FAIL: can't add fou port 7777, skipping test"
+
+ How to reproduce this:
+ devdummy="test-dummy0"
+ testns="testns"
+ ip netns add "$testns"
+ ip netns exec "$testns" ip link set lo up
+ ip netns exec "$testns" ip link add name "$devdummy" type dummy
+ ip netns exec "$testns" ip link set "$devdummy" up
+ ip netns exec "$testns" ip fou add port 7777 ipproto 47
+ RTNETLINK answers: No such file or directory
+ Error talking to the kernel
+
+ This test would require the fou module to be loaded before it gets
+ started.
+
+ == Fix
+ * fca48e23f989 ("selftests: rtnetlink: load fou module for
+ kci_test_encap_fou() test")
+
+ This patch needs to be backported for series after Xenial.
+
+ == Test ==
+ Patch tested directly on the kernel tree, the test will now pass as
+ expected.
+
+ == Regression Potential ==
+ Low, change limited to the testing tool.
+
+
+ == Original Bug Report ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
  "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
 devdummy="test-dummy0"
 testns="testns"
 ip netns add "$testns"
 ip netns exec "$testns" ip link set lo up
 ip netns exec "$testns" ip link add name "$devdummy" type dummy
 ip netns exec "$testns" ip link set "$devdummy" up
 ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

- This would require the fou module to be loaded before the test.
-
- == Fix
- * fca48e23f989 ("selftests: rtnetlink: load fou module for kci_test_encap_fou() test")
-
- This patch needs to be backported for series after Xenial.
-
- == Test ==
- Patch tested directly on the kernel tree, the test will now pass as expected.
-
- == Regression Potential ==
- Low, change limited to the testing tool.
-
-
- == Original Bug Report ==
- The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
-   "FAIL: can't add fou port 7777, skipping test"
-
- How to reproduce this:
-  devdummy="test-dummy0"
-  testns="testns"
-  ip netns add "$testns"
-  ip netns exec "$testns" ip link set lo up
-  ip netns exec "$testns" ip link add name "$devdummy" type dummy
-  ip netns exec "$testns" ip link set "$devdummy" up
-  ip netns exec "$testns" ip fou add port 7777 ipproto 47
- RTNETLINK answers: No such file or directory
- Error talking to the kernel
-
-
- This is not a regression, it's the real test result after bug 1890136 has been fixed.
+ This is not a regression, it's the real test result after bug 1890136
+ has been fixed.

** Changed in: linux-oem-5.6 (Ubuntu Groovy)
Status: New => Invalid

** Description changed:

== SRU Justification ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of
kselftests/net will fail with non-zero return value, and print:
- "FAIL: can't add fou port 7777, skipping test"
+   "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
- devdummy="test-dummy0"
- testns="testns"
- ip netns add "$testns"
- ip netns exec "$testns" ip link set lo up
- ip netns exec "$testns" ip link add name "$devdummy" type dummy
- ip netns exec "$testns" ip link set "$devdummy" up
- ip netns exec "$testns" ip fou add port 7777 ipproto 47
+  devdummy="test-dummy0"
+  testns="testns"
+  ip netns add "$testns"
+  ip netns exec "$testns" ip link set lo up
+  ip netns exec "$testns" ip link add name "$devdummy" type dummy
+  ip netns exec "$testns" ip link set "$devdummy" up
+  ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

This test would require the fou module to be loaded before it gets
started.

== Fix
- * fca48e23f989 ("selftests: rtnetlink: load fou module for
+ * 26ebd6fed9bb ("selftests: rtnetlink: load fou module for
kci_test_encap_fou() test")

This patch needs to be backported for series after Xenial.

== Test ==
Patch tested directly on the kernel tree, the test will now pass as
expected.

== Regression Potential ==
Low, change limited to the testing tool.
-

== Original Bug Report ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
  "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
 devdummy="test-dummy0"
 testns="testns"
 ip netns add "$testns"
 ip netns exec "$testns" ip link set lo up
 ip netns exec "$testns" ip link add name "$devdummy" type dummy
 ip netns exec "$testns" ip link set "$devdummy" up
 ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

This is not a regression, it's the real test result after bug 1890136
has been fixed.

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https://bugs.launchpad.net/bugs/1891421

Title:
kci_test_encap_fou() in rtnetlink.sh from kselftests/net failed with
"FAIL: can't add fou port 7777, skipping test"

Status in ubuntu-kernel-tests:
In Progress
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Confirmed
Status in linux-oem-5.6 source package in Bionic:
New
Status in linux-oem-osp1 source package in Bionic:
New
Status in linux source package in Focal:
Confirmed
Status in linux-oem-5.6 source package in Focal:
New
Status in linux-oem-osp1 source package in Focal:
Invalid
Status in linux source package in Groovy:
New
Status in linux-oem-5.6 source package in Groovy:
Invalid
Status in linux-oem-osp1 source package in Groovy:
Invalid

Bug description:
== SRU Justification ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of
kselftests/net will fail with non-zero return value, and print:
  "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
 devdummy="test-dummy0"
 testns="testns"
 ip netns add "$testns"
 ip netns exec "$testns" ip link set lo up
 ip netns exec "$testns" ip link add name "$devdummy" type dummy
 ip netns exec "$testns" ip link set "$devdummy" up
 ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

This test would require the fou module to be loaded before it gets
started.

== Fix
* 26ebd6fed9bb ("selftests: rtnetlink: load fou module for
kci_test_encap_fou() test")

This patch needs to be backported for series after Xenial.

== Test ==
Patch tested directly on the kernel tree, the test will now pass as
expected.

== Regression Potential ==
Low, change limited to the testing tool.

== Original Bug Report ==
The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
  "FAIL: can't add fou port 7777, skipping test"

How to reproduce this:
 devdummy="test-dummy0"
 testns="testns"
 ip netns add "$testns"
 ip netns exec "$testns" ip link set lo up
 ip netns exec "$testns" ip link add name "$devdummy" type dummy
 ip netns exec "$testns" ip link set "$devdummy" up
 ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel

This is not a regression, it's the real test result after bug 1890136
has been fixed.

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