A layer-3 port has been removed from the IP multicast entry in hardware.
This is an informational debug message so there is no remedy.
Debug-Verbose
HW entry (%sourceIpAddress%,%groupIpAddress%,vr %vrId%,vlan %vlanId%,IPMC %IPMCGroupIndex%) -> Del L3 p,v=%slot%:%port%,%egressVlanId%
| Name | Type | 
|---|---|
| vrId | VRID | 
| sourceIpAddress | IPaddrN | 
| groupIpAddress | IPaddrN | 
| vlanId | VLAN-tag | 
| IPMCGroupIndex | uInt32 | 
| slot | uInt32 | 
| port | uInt32 | 
| egressVlanId | VLAN-tag |