Changes

* General setup -> Checkpoint/restore support (<code>CONFIG_CHECKPOINT_RESTORE</code>)

* General setup -> Checkpoint/restore support (<code>CONFIG_CHECKPOINT_RESTORE</code>)

* General setup -> open by fhandle syscalls

* General setup -> open by fhandle syscalls (<code>CONFIG_FHANDLE</code>)

* General setup -> Enable eventfd() system call

* General setup -> Enable eventfd() system call (<code>CONFIG_EVENTFD</code>)

* General setup -> Enable eventpoll support

* General setup -> Enable eventpoll support (<code>CONFIG_EPOLL</code>)

* File systems -> Inotify support for userspace

* File systems -> Inotify support for userspace (<code>CONFIG_INOTIFY_USER</code>)

* Networking support -> Networking options -> Unix domain sockets -> UNIX: socket monitoring interface (<code>CONFIG_UNIX_DIAG</code>)

* Networking support -> Networking options -> Unix domain sockets -> UNIX: socket monitoring interface (<code>CONFIG_UNIX_DIAG</code>)

* Networking support -> Networking options -> TCP/IP networking -> INET: socket monitoring interface (<code>CONFIG_INET_DIAG</code>)

* Networking support -> Networking options -> TCP/IP networking -> INET: socket monitoring interface (<code>CONFIG_INET_DIAG</code>)