bless( {
                  '_content' => '{"description":"mac:da:65:8f:18:9b:6f","dns_name":"myhostname"}',
                  '_headers' => bless( {
                                         'authorization' => 'token 0123456789abcdef0123456789abcdef01234567',
                                         'content-type' => 'application/json; charset=UTF-8'
                                       }, 'HTTP::Headers' ),
                  '_max_body_size' => undef,
                  '_method' => 'POST',
                  '_uri' => bless( do{\(my $o = 'http://localhost:8000/api/ipam/prefixes/1/available-ips/')}, 'URI::http' )
                }, 'HTTP::Request' );