net:sctp_vrf.sh fails on lunar:linux-aws with TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, N [FAIL]

[Roxana Nicolescu]

This seems to be flaky, on other instance it passes.

Found the failure on t3.medium instance:

  17107 01:58:45 INFO | START ubuntu_kernel_selftests.net:sctp_vrf.sh ubuntu_kernel_selftests.net:sctp_vrf.sh timeout=2700 timestamp=1688435925 localtime=Jul 04 01:58:45
      17108 01:58:45 DEBUG| Persistent state client._record_indent now set to 2
      17109 01:58:45 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_kernel_selftests.net:sctp_vrf.sh', 'ubuntu_kernel_selftests.net:sctp_vrf.sh')
      17110 01:58:45 DEBUG| Waiting for pid 290755 for 2700 seconds
      17111 01:58:45 WARNI| System python is too old, crash handling disabled
      17112 01:58:45 DEBUG| Running 'make run_tests -C net TEST_PROGS=sctp_vrf.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
      17113 01:58:45 DEBUG| [stdout] make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
      17114 01:58:45 DEBUG| [stdout] TAP version 13
      17115 01:58:45 DEBUG| [stdout] 1..1
      17116 01:58:45 DEBUG| [stdout] # selftests: net: sctp_vrf.sh
      17117 01:58:45 DEBUG| [stdout] # Testing For SCTP VRF:
      17118 01:58:45 DEBUG| [stdout] # TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y [PASS]
      17119 01:58:48 DEBUG| [stdout] # TEST 02: nobind, connect from client 2, l3mdev_accept=1, N [PASS]
      17120 01:58:48 DEBUG| [stdout] # TEST 03: nobind, connect from client 1, l3mdev_accept=0, N [PASS]
      17121 01:58:51 DEBUG| [stdout] # TEST 04: nobind, connect from client 2, l3mdev_accept=0, N [PASS]
      17122 01:58:52 DEBUG| [stdout] # TEST 05: bind veth2 in server, connect from client 1, N [PASS]
      17123 01:58:52 DEBUG| [stdout] # TEST 06: bind veth1 in server, connect from client 1, Y [PASS]
      17124 01:58:52 DEBUG| [stdout] # TEST 07: bind vrf-1 in server, connect from client 1, Y [PASS]
      17125 01:58:52 DEBUG| [stdout] # TEST 08: bind vrf-2 in server, connect from client 1, N [PASS]
      17126 01:58:52 DEBUG| [stdout] # TEST 09: bind vrf-2 in server, connect from client 2, Y [PASS]
      17127 01:58:55 DEBUG| [stdout] # TEST 10: bind vrf-1 in server, connect from client 2, N [PASS]
      17128 01:58:55 DEBUG| [stdout] # TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y [PASS]
      17129 01:58:55 DEBUG| [stdout] # TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, N [PASS]
      17130 01:58:55 DEBUG| [stdout] # ***v4 Tests Done***
      17131 01:58:55 DEBUG| [stdout] # TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y [PASS]
      17132 01:58:58 DEBUG| [stdout] # TEST 02: nobind, connect from client 2, l3mdev_accept=1, N [PASS]
      17133 01:58:58 DEBUG| [stdout] # TEST 03: nobind, connect from client 1, l3mdev_accept=0, N [PASS]
      17134 01:59:01 DEBUG| [stdout] # TEST 04: nobind, connect from client 2, l3mdev_accept=0, N [PASS]
      17135 01:59:01 DEBUG| [stdout] # TEST 05: bind veth2 in server, connect from client 1, N [PASS]
      17136 01:59:01 DEBUG| [stdout] # TEST 06: bind veth1 in server, connect from client 1, Y [PASS]
      17137 01:59:01 DEBUG| [stdout] # TEST 07: bind vrf-1 in server, connect from client 1, Y [PASS]
      17138 01:59:01 DEBUG| [stdout] # TEST 08: bind vrf-2 in server, connect from client 1, N [PASS]
      17139 01:59:01 DEBUG| [stdout] # TEST 09: bind vrf-2 in server, connect from client 2, Y [PASS]
      17140 01:59:04 DEBUG| [stdout] # TEST 10: bind vrf-1 in server, connect from client 2, N [PASS]
      17141 01:59:04 DEBUG| [stdout] # TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y [PASS]
      17142 01:59:07 DEBUG| [stdout] # TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, N [FAIL]
      17143 01:59:07 DEBUG| [stdout] not ok 1 selftests: net: sctp_vrf.sh # exit=3
      17144 01:59:07 DEBUG| [stdout] make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
      17145 01:59:07 ERROR| Exception escaping from test:
      17146 Traceback (most recent call last):
      17147 File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
      17148 _call_test_function(self.execute, *p_args, **p_dargs)
      17149 File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
      17150 return func(*args, **dargs)
      17151 ^^^^^^^^^^^^^^^^^^^^
      17152 File "/home/ubuntu/autotest/client/shared/test.py", line 290, in execute
      17153 self._call_run_once(constraints, profile_only,
      17154 File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
      17155 self.run_once(*args, **dargs)
      17156 File "/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py", line 282, in run_once
      17157 raise error.TestError(test_name + ' failed.')
      17158 autotest.client.shared.error.TestError: net:sctp_vrf.sh failed.
      17159 01:59:07 ERROR| child process failed
      17160 01:59:07 DEBUG| Traceback (most recent call last):
      17161 01:59:07 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
      17162 01:59:07 DEBUG| _call_test_function(self.execute, *p_args, **p_dargs)
      17163 01:59:07 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
      17164 01:59:07 DEBUG| return func(*args, **dargs)
      17165 01:59:07 DEBUG| ^^^^^^^^^^^^^^^^^^^^
      17166 01:59:07 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 290, in execute
      17167 01:59:07 DEBUG| self._call_run_once(constraints, profile_only,
      17168 01:59:07 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
      17169 01:59:07 DEBUG| self.run_once(*args, **dargs)
      17170 01:59:07 DEBUG| File "/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py", line 282, in run_once
      17171 01:59:07 DEBUG| raise error.TestError(test_name + ' failed.')
      17172 01:59:07 DEBUG| autotest.client.shared.error.TestError: net:sctp_vrf.sh failed.
      17173 01:59:07 DEBUG|