**To unassign an IPv6 address from a network interface** This example unassigns the specified IPv6 address from the specified network interface. Command:: aws ec2 unassign-ipv6-addresses --ipv6-addresses 2001:db8:1234:1a00:3304:8879:34cf:4071 --network-interface-id eni-23c49b68 Output:: { "NetworkInterfaceId": "eni-23c49b68", "UnassignedIpv6Addresses": [ "2001:db8:1234:1a00:3304:8879:34cf:4071" ] }