The Kernel Monitor receives RFC 3549 messages from the Linux Kernel over a Netlink socket when changes are made to the kernel networking data structures.
- #59: The NextHop table in the P4 program has been moved from the SEM block (exact match) to the WCM block (ternary block). The Kernel Monitor must use a different API to write the entry to the WCM block. krnlmon is no longer compatible with older versions of the P4 program.