lsof -nP 2>&1 | grep '(deleted)'
find /proc/*/fd -ls 2> /dev/null | grep '(deleted)'
1273871272 0 l-wx------ 1 zabbix zabbix 64 Nov 4 08:38 /proc/10614/fd/1 -> /var/log/zabbix/zabbix_agentd.log.1\ (deleted)
1273871273 0 l-wx------ 1 zabbix zabbix 64 Nov 4 08:38 /proc/10614/fd/2 -> /var/log/zabbix/zabbix_agentd.log.1\ (deleted)
truncate -s 0 /proc/10614/fd/2