Not fail on updating parent links

Fixes #8796

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Use the HTTP Last-Modified http header as the mtime value for ADD cmd when present

Closes #8331

Signed-off-by: Doug Davis <dug@us.ibm.com>
pkg/namesgenerator: add Yeong-Sil Jang

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #9028 from unclejack/add_yeong-sil_jang

pkg/namesgenerator: add Yeong-Sil Jang
Merge pull request #8716 from duglin/Issue8331

Use the HTTP Last-Modified http header as the mtime value for ADD cmd when present
Merge pull request #9014 from LK4D4/fix_parent_failing

Not fail on updating parent links
Remove userland proxy

Take advantage of hairpin NAT and additional iptables routes to remove
the userland proxy.

Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>