Recently we were helping customer to launch Spoke Gateways in their AWS account, after 10 minutes launching the gateway, the gateway creation were reverted and following errors generated
Error: [AVXERR-TRANSIT-0119] Failed to launch gateway test. Instance i-0005da0797da40ae8 could not be started. Delete the gateway test to clean up resources and try again. It is possible that gateway size t3.small is not supported in the region us-east-1 or EBS encryption KMS CMK Key policy Key administrators and users are not updated with your Aviatrix APP role and Aviatrix EC2 role.