# [RPD_IFL_DUPEADD](https://apps.juniper.net/syslog-explorer/?msg=RPD_IFL_DUPEADD)

## SYSLOG Details
- **Message**: IF_TRACE: Attempt to add interface <variable>new-interface-name</variable> with same index (<variable>index</variable>) as interface <variable>old-interface-name</variable>
- **Help**: A new interface was created that appears to already exist
- **Description**: The routing process received a message from the kernel about a new interface, but the routing process already knows about an interface with the same interface identifier.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: It is likely that the routing process was overwhelmed with interface messages from the kernel and some of those message were lost. The rpd process will recover from this situation.
- **Action**: -
- **Attributes**: new-interface-name
index
old-interface-name
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=RPD_IFL_DUPEADD&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=RPD_IFL_DUPEADD&sw=Junos%20OS&rel=23.4R1)