Agent dies after fpm reload

[mitridatik]

No nginx nor fpm metrics in Amplify.

Amplify agent logs:
2020-04-29 01:49:06,168 [18534] phpfpm_pool_metrics failed to communicate with pool at "/var/run/php-fpm.sock"
2020-04-29 01:50:08,483 [18534] bridge_manager [bc56e65df0103e8dda9a9c3fd8ce58af] post https://receiver.amplify.nginx.com:443/1.4/5be58078627a593f65f806b99c89396c/update/ 202 2761 0 0.427
2020-04-29 01:51:08,647 [18534] bridge_manager [b0cc7bccf3731d334262c33a801a0305] post https://receiver.amplify.nginx.com:443/1.4/5be58078627a593f65f806b99c89396c/update/ 202 2258 0 0.123
2020-04-29 01:52:08,823 [18534] bridge_manager [155b96f9119036498259becc0b28189c] post https://receiver.amplify.nginx.com:443/1.4/5be58078627a593f65f806b99c89396c/update/ 202 2285 0 0.135
and continue with only bridge_manager records