Fix ios integration test failures in CI. Since the packet transfer and receive rate
on the interface is not determined to remove the tx_rate and rx_rate test conditions
to prevent intermittent failure.
* Fix over-byte
* Update ios tests to call `provider`
To continue to support testing `connection: local`
* Fix command dict handling in ios_user
* Clean up unit tests, too
* Add eos_interface module
* Implementation of eos_interface module
* Intergration test for eos_interface module
* Minor fix in eos_l3_interface module
* Minor fix in ios_interface integration test
* Fix CI issues
* Fix more CI issues
In some IOS tests, we can't just assume a certain interface, as
we test on IOS and IOS-XE and in our CI they scheme numbering is
different.
Introspect version on the tests where needed.
* Add intent arguments for ios_interface
* Intent argument support
* Integration test case for intent arguments
* Fix ci issue
* Add intent arguments for iosxr_interface
* Add intent check support for iosxr_interface
* Integration test for intent + configuration
* Fix ci failure
