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

## SYSLOG Details
- **Message**: <variable>message-name</variable> address family <variable>address-family-type</variable> not AF_LINK
- **Help**: The address family on a logical interface was unexpected
- **Description**: DCD expected the address family on the logical interface to be of type AF_LINK. Instead, it received a different family type from the kernel.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: message-name
address-family-type
- **Facility**: LOG_DAEMON

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