test: description: "Two subinterfaces can't have the same encapsulation" errors: expected: - "100 .* unique encapsulation" - "101 .* unique encapsulation" --- interfaces: GigabitEthernet1/0/0: sub-interfaces: 100: description: "VLAN 100" 101: description: "Another VLAN 100" encapsulation: dot1q: 100