oneOf:
 - $ref: 'https://ucentral.io/schema/v1/interface/tunnel/mesh/'
 - $ref: 'https://ucentral.io/schema/v1/interface/tunnel/vxlan/'
 - $ref: 'https://ucentral.io/schema/v1/interface/tunnel/l2tp/'
 - $ref: 'https://ucentral.io/schema/v1/interface/tunnel/gre/'
 - $ref: 'https://ucentral.io/schema/v1/interface/tunnel/gre6/'