[20.10 backport] bump up rootlesskit to v0.14.2 (Fix Timed out proxy starting the userland proxy. error with DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=slirp4netns)

[AkihiroSuda]

Cherry-pick #42293

---

- What I did

Fix Timed out proxy starting the userland proxy. error with DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=slirp4netns.
(rootless-containers/rootlesskit#250)

- How I did it

Bumped up RootlessKit to v0.14.2.

Full changes: rootless-containers/rootlesskit@v0.14.1...v0.14.2

- How to verify it

Make sure that the following error no longer happens.

$ cat ~/.config/systemd/user/docker.service.d/override.conf 
[Service]
Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER="slirp4netns"

$ docker --context=rootless run --rm -p 8080:80 nginx:alpine
docker: Error response from daemon: driver failed programming external connectivity on endpoint dreamy_gauss (93092ec62bc18d4190f18c05f188505c11acce4feef7ea2eb259805c18edfd85): Timed out proxy starting the userland proxy.

- Description for the changelog

Fix Timed out proxy starting the userland proxy. error with DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=slirp4netns.

- A picture of a cute animal (not mandatory but encouraged)
🐧

[AkihiroSuda]

CI failure is unrelated:

[2021-04-15T05:44:49.627Z] #22 53.63       aarch64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.7m -c /tmp/pip-install-ymd4jk19/Cython/Cython/Plex/Scanners.c -o build/temp.linux-aarch64-3.7/tmp/pip-install-ymd4jk19/Cython/Cython/Plex/Scanners.o

[2021-04-15T05:44:49.627Z] #22 53.63       /tmp/pip-install-ymd4jk19/Cython/Cython/Plex/Scanners.c:21:10: fatal error: Python.h: No such file or directory

[2021-04-15T05:44:49.627Z] #22 53.63        #include "Python.h"

[2021-04-15T05:44:49.627Z] #22 53.63                 ^~~~~~~~~~

[2021-04-15T05:44:49.627Z] #22 53.63       compilation terminated.

[2021-04-15T05:44:49.627Z] #22 53.63       error: command 'aarch64-linux-gnu-gcc' failed with exit status 1

[2021-04-15T05:44:49.627Z] #22 53.63   

[2021-04-15T05:44:49.627Z] #22 53.63       ----------------------------------------

[2021-04-15T05:44:49.627Z] #22 53.63   Command "/usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-ymd4jk19/Cython/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-mtj_1y4q/install-record.txt --single-version-externally-managed --prefix /tmp/pip-build-env-t7_k5vse --compile" failed with error code 1 in /tmp/pip-install-ymd4jk19/Cython/

[2021-04-15T05:44:49.627Z] #22 53.63   

[2021-04-15T05:44:49.627Z] #22 53.63   ----------------------------------------

[2021-04-15T05:44:49.627Z] #22 53.74 Command "/usr/bin/python3 -m pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-t7_k5vse --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel Cython" failed with error code 1 in None

[2021-04-15T05:44:49.891Z] #22 ERROR: executor failed running [/bin/sh -c pip3 install yamllint==1.16.0]: exit code: 1

[thaJeztah]

@AkihiroSuda can you rebase this one to fix the python issue?

[thaJeztah]

LGTM (after rebase)

[cpuguy83]

LGTTM

[gnat]

Bumped into this too. Thanks for taking action so quickly. Waiting on 20.10.7, staying on 20.10.5 until then.