iscsid.conf should be exposed in Docker to change settings.

[Wouter Groenewold]

**Bug Report**

What happened:

It looks like ISCSI devices somehow tend to mount themself to the hypervisor instead of to Docker, which creates issues. iscsid.conf has node.session.scan as parameter to mitigate such issues, but it looks like this config-file is not exposed in the kolla-ansible configuration.

What you expected to happen:

ISCSI devices should mount via tgtd and iscsid containers instead of to the hypervisor.

How to reproduce it (minimal and precise):

**Environment**:
* OS (e.g. from /etc/os-release):
NAME="Ubuntu"
VERSION="20.04.5 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.5 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

* Kernel (e.g. `uname -a`):
Linux 5.4.0-99-generic #112-Ubuntu SMP Thu Feb 3 13:50:55 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

* Docker version if applicable (e.g. `docker version`):
* Kolla-Ansible version (e.g. `git head or tag or stable branch` or pip package version if using release):
* Docker image Install type (source/binary):
deb https://download.docker.com/linux/ubuntu focal stable

* Docker image distribution:
Docker Hub.

* Are you using official images from Docker Hub or self built?
Docker Hub.

I hope I did everything correct according guidelines and provided enough information since this is my first kolla-ansible ticket.

[Wouter Groenewold (wgroenewold)]

Updated all the containers to the last ussuri-image, deployed kolla-ansible magic and everything seems to be solved.