Can't send Zabbix Trap on LLD item key
/usr/local/bin/zabbix_sender -vv -c /etc/zabbix/zabbix_agentd.conf -s VMWare_Array -k "hp.p2000.stats[Vdisk,vmware,iops]" -o 6
zabbix_sender [7392]: DEBUG: answer [

{ "response":"success", "info":"Processed 0 Failed 1 Total 1 Seconds spent 0.000049"}

]
info from server: "Processed 0 Failed 1 Total 1 Seconds spent 0.000049"
sent: 1; skipped: 0; total: 1

Same problem with new zabbix trap item
1) I create item
/usr/local/bin/zabbix_sender -vv -c /etc/zabbix/zabbix_agentd.conf -s test -k test3[a_b] -o 6
zabbix_sender [4387]: DEBUG: answer [

{ "response":"success", "info":"Processed 0 Failed 1 Total 1 Seconds spent 0.000027"}

]
info from server: "Processed 0 Failed 1 Total 1 Seconds spent 0.000027"
sent: 1; skipped: 0; total: 1

2) Some time later
/usr/local/bin/zabbix_sender -vv -c /etc/zabbix/zabbix_agentd.conf -s test -k test3[a_b] -o 6
zabbix_sender [5058]: DEBUG: answer [

{ "response":"success", "info":"Processed 1 Failed 0 Total 1 Seconds spent 0.000043"}

]
info from server: "Processed 1 Failed 0 Total 1 Seconds spent 0.000043"
sent: 1; skipped: 0; total: 1