QFX10002 and IPFIX

I did as per the documentation

https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/services-ipfix-flow-template-flow-aggregation-configuring.html

Junos: 18.4R2-S3

[edit chassis fpc 0]
-    sampling-instance 1to1;
-    inline-services {
-        flow-table-size {
-            ipv4-flow-table-size 10;
-        }
-    }
[edit]
-  services {
-      flow-monitoring {
-          version-ipfix {
-              template ipv4 {
-                  flow-active-timeout 60;
-                  flow-inactive-timeout 60;
-                  template-refresh-rate {
-                      packets 1000;
-                      seconds 60;
-                  }
-                  ipv4-template;
-              }
-          }
-      }
-  }
[edit interfaces ae0 unit 0 family inet]
-       sampling {
-           input;
-           output;
-       }
[edit interfaces ae1 unit 0 family inet]
-       sampling {
-           input;
-           output;
-       }
[edit forwarding-options]
-  storm-control-profiles default {
-      all;
-  }
-  sampling {
-      traceoptions {
-          file ipfix.log size 10k;
-      }
-      instance {
-          1to1 {
-              input {
-                  rate 1000;
-              }
-              family inet {
-                  output {
-                      flow-server 2.2.2.2 {
-                          port 9995;
-                          version-ipfix {
-                              template {
-                                  ipv4;
-                              }
-                          }
-                      }
-                      inline-jflow {
-                          source-address 1.1.1.1;
-                      }
-                  }
-              }
-          }
-      }
-  }

Result:

show services accounting flow inline-jflow fpc-slot 0
Flow information
FPC Slot: 0
Flow Packets: 0, Flow Bytes: 0
Active Flows: 0, Total Flows: 0
Flows Exported: 0, Flow Packets Exported: 43
Flows Inactive Timed Out: 0, Flows Active Timed Out: 0

IPv4 Flows:
IPv4 Flow Packets: 0, IPv4 Flow Bytes: 0
IPv4 Active Flows: 0, IPv4 Total Flows: 0
IPv4 Flows Exported: 0
IPv4 Flows Inactive Timed Out: 0, IPv4 Flows Active Timed Out: 0

IPv6 Flows:
IPv6 Flow Packets: 0, IPv6 Flow Bytes: 0
IPv6 Active Flows: 0, IPv6 Total Flows: 0
IPv6 Flows Exported: 0
IPv6 Flows Inactive Timed Out: 0, IPv6 Flows Active Timed Out: 0

MPLS Flows:
MPLS Flow Packets: 0, MPLS Flow Bytes: 0
MPLS Active Flows: 0, MPLS Total Flows: 0
MPLS Flows Exported: 0
MPLS Flows Inactive Timed Out: 0, MPLS Flows Active Timed Out: 0

show services accounting errors inline-jflow fpc-slot 0
Error information
FPC Slot: 0
Flow Creation Failures: 0
Route Record Lookup Failures: 0, AS Lookup Failures: 0
Export Packet Failures: 0
Memory Overload: No, Memory Alloc Fail Count: 0

IPv4:
IPv4 Flow Creation Failures: 0
IPv4 Route Record Lookup Failures: 0, IPv4 AS Lookup Failures: 0

IPv6:
IPv6 Flow Creation Failures: 0
IPv6 Route Record Lookup Failures: 0, IPv6 AS Lookup Failures: 0

MPLS:
MPLS Flow Creation Failures: 0
MPLS Route Record Lookup Failures: 0, MPLS AS Lookup Failures: 0

show services accounting status inline-jflow fpc-slot 0
Status information
FPC Slot: 0
IPV4 export format: Version-IPFIX, IPV6 export format: Not set
MPLS export format: Not set
IPv4 Route Record Count: 1174, IPv6 Route Record Count: 107, MPLS Route Record Count: 0
Route Record Count: 1281, AS Record Count: 41
Route-Records Set: Yes, Config Set: Yes

It doesn't seem to work.

What did I forget to do?