Warning: No 802.3ad response from the link partner for any adapters in the bond
* https://support.kemptechnologies.com/hc/en-us/articles/204423595-How-to-Troubleshoot-802-3ad-Link-Aggregation-Kemp-Partner-Errors
esempio funzionante https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1753431
Slave Interface: ens1f1
Aggregator ID: 2
Actor Churn State: churned