The dell_switch_delegate_to parameter was removed from the dell-switch
role in commit da75d6b734fa0451738993d4d6c9beab9b4640b2.
Change-Id: Ia70d48d417d68140ea9e3abd1409c6b0945e638c
The dellos Ansible modules do not accept a `transport` key in the
provider parameter anymore, even in Ansible 2.4.0.
Change-Id: I4bdaa337cb9c6cb93f36338a191a9aa78e2c13f0
Story: 2004588
Task: 28464
As of ansible 2.3, it is no longer possible to use delegate_to with a host other
than localhost. Use of a jump host can be enabled via setting ProxyCommand in
ansible_ssh_common_args as for other hosts.