linux-kvm: selftests/net: several failures due to missing CONFIG_...

[Paolo Pisati]

Many net kernel selftests fail on linux-kvm due to missing kernel options:

$ uname -a
Linux focal-amd64-builder 5.4.0-1005-kvm #5 SMP Wed Apr 1 16:11:21 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux

...
20:59:02 INFO | ========== Summary ===========
20:59:02 INFO | Sub test case: rtnetlink.sh failed.
20:59:02 INFO | Sub test case: fib_tests.sh failed.
20:59:02 INFO | Sub test case: fib-onlink-tests.sh failed.
20:59:02 INFO | Sub test case: pmtu.sh failed.
20:59:02 INFO | Sub test case: fib_rule_tests.sh failed.
20:59:02 INFO | Sub test case: so_txtime.sh failed.
20:59:02 INFO | Sub test case: l2tp.sh failed.
...

[Po-Hsu Lin (cypressyew)]

This is a dup for:
rtnetlink.sh - bug 1812194
fib_tests.sh / fib-onlink-tests.sh / fib_rule_tests.sh - bug 1812622
pmtu.sh - bug 1870099
so_txtime.sh - bug 1870106

Only l2tp.sh was not reported before, probably a new test case in newer kernel.

[Guilherme G. Piccoli (gpiccoli)]

Found this on groovy:linux-kvm, cycle sru-20210315.

[Guilherme G. Piccoli (gpiccoli)]

Another failure identified on G/linux-kvm (kernel 5.8):

03:43:49 DEBUG| [stdout] # selftests: net: altnames.sh
03:43:49 DEBUG| [stdout] # Error: Unknown device type.
03:43:49 DEBUG| [stdout] # Cannot find device "dummytest"
03:43:49 DEBUG| [stdout] # Device "shortname" does not exist.
03:43:49 DEBUG| [stdout] # Cannot find device "dummytest"
03:43:49 DEBUG| [stdout] # Device "someveryveryveryveryveryverylongname" does not exist.
03:43:49 DEBUG| [stdout] # Cannot find device "dummytest"
03:43:49 DEBUG| [stdout] # TEST: altnames test [FAIL]
03:43:49 DEBUG| [stdout] # Failed to add short alternative name
03:43:49 DEBUG| [stdout] # Cannot find device "dummytest"
03:43:49 DEBUG| [stdout] not ok 36 selftests: net: altnames.sh # exit=1

[Guilherme G. Piccoli (gpiccoli)]

Observed in F/KVM, cycle sru-20210510.

[Guilherme G. Piccoli (gpiccoli)]

Observed on G/KVM, cycle sru-20210510 .

[Guilherme G. Piccoli (gpiccoli)]

Observed on H/KVM, cycle sru-20210510 .

[Guilherme G. Piccoli (gpiccoli)]

Observed on G/KVM, cycle sru-20210531 .