* pep - ETHERNET .
* mac_addr - MAC address.
* skip - if 1, skip this address.Used in case of deleting an entry which is a
- * part of chain in the hash table.We cant just delete the entry since
+ * part of chain in the hash table.We can't just delete the entry since
* that will break the chain.We need to defragment the tables time to
* time.
* rd - 0 Discard packet upon match.