* fix nxos_facts ipv6 error * time_range not supported for N35
* Fix over-byte * Fix nxos_l2_interface docs * Update connections for tasks * Add default ssh port * Only report provider when using connection=local * Send empty provider when connection=network_cli * Fix find tasks
* Add nxos_command IT sanity * generalize nxos_command UT for different NXOS platforms