To reproduce
```
vyos@r14:~$ show conf com | match kern
set system option kernel memory default-hugepage-size '1G'
set system option kernel memory hugepage-size 1G hugepage-count '4'
vyos@r14:~$
```
Start smoketest:
```
vyos@r14:~$ touch /tmp/vyos.smoketest.debug
vyos@r14:~$ /usr/libexec/vyos/tests/smoke/cli/test_vpp.py -k test_13_3_mem_page_size
del vpp
test_13_3_mem_page_size (__main__.TestVPP.test_13_3_mem_page_size) ... set vpp settings interface eth1 driver dpdk
set vpp settings unix poll-sleep-usec 10
set vpp settings memory main-heap-page-size default
commit
set vpp settings memory main-heap-page-size 2048K
commit
ERROR
del vpp
commit
del interfaces ethernet eth1 address
commit
test_13_3_mem_page_size (__main__.TestVPP.test_13_3_mem_page_size) ... FAIL
======================================================================
ERROR: test_13_3_mem_page_size (__main__.TestVPP.test_13_3_mem_page_size)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/libexec/vyos/tests/smoke/cli/test_vpp.py", line 1232, in test_13_3_mem_page_size
self.cli_commit()
File "/usr/libexec/vyos/tests/smoke/cli/base_vyostest_shim.py", line 103, in cli_commit
out = self._session.commit()
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 305, in commit
out = self.__run_command([COMMIT])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 235, in __run_command
raise ConfigSessionError(output)
vyos.configsession.ConfigSessionError: [ vpp ]
An error occurred: [Errno 2] Cannot connect to VPP API. VPP service will
be restarted with the previous configuration
[[vpp]] failed
Commit failed
======================================================================
FAIL: test_13_3_mem_page_size (__main__.TestVPP.test_13_3_mem_page_size)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/libexec/vyos/tests/smoke/cli/test_vpp.py", line 103, in tearDown
self.assertTrue(process_named_running(PROCESS_NAME))
AssertionError: None is not true
----------------------------------------------------------------------
Ran 1 test in 32.895s
FAILED (failures=1, errors=1)
vyos@r14:~$
vyos@r14:~$
```
Logs:
```
Aug 01 15:42:04 r14 systemd[1]: vpp.service: Main process exited, code=exited, status=1/FAILURE
Aug 01 15:42:04 r14 systemd[1]: vpp.service: Failed with result 'exit-code'.
Aug 01 15:42:04 r14 systemd[1]: vpp.service: Triggering OnFailure= dependencies.
Aug 01 15:42:04 r14 systemd[1]: Starting Restart VPP on failure...
Aug 01 15:42:04 r14 python3[786]: VPP API connection timeout: [Errno 111] Connection refused
Aug 01 15:42:04 r14 python3[786]: VPP API connection timeout: [Errno 111] Connection refused
Aug 01 15:42:04 r14 python3[8902]: Traceback (most recent call last):
Aug 01 15:42:04 r14 python3[8902]: File "/usr/libexec/vyos/reset_section.py", line 116, in <module>
Aug 01 15:42:04 r14 python3[8902]: session.commit()
Aug 01 15:42:04 r14 python3[8902]: File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 305, in commit
Aug 01 15:42:04 r14 python3[8902]: out = self.__run_command([COMMIT])
Aug 01 15:42:04 r14 python3[8902]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:42:04 r14 python3[8902]: File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 235, in __run_command
Aug 01 15:42:04 r14 python3[8902]: raise ConfigSessionError(output)
Aug 01 15:42:04 r14 python3[8902]: vyos.configsession.ConfigSessionError: Configuration system temporarily locked due to another commit in progress
Aug 01 15:42:04 r14 systemd[1]: vpp-failure-handler.service: Main process exited, code=exited, status=1/FAILURE
Aug 01 15:42:04 r14 systemd[1]: opt-vyatta-config-tmp-new_config_8902.mount: Deactivated successfully.
Aug 01 15:42:04 r14 systemd[1]: vpp-failure-handler.service: Failed with result 'exit-code'.
Aug 01 15:42:04 r14 systemd[1]: Failed to start Restart VPP on failure.
Aug 01 15:42:05 r14 netplugd[8921]: /etc/netplug/netplug eth1.19 probe -> pid 8921
```
We should verify it