error message from hostap with madwifi

[Micro Cool]

I am currently using wpa_supplicant 0.5.8 and hostapd 0.5.8 and for some reason everytime I disassociate from hostap with wpa_supplicant I receive the following message "[IEEE80211_IOCTL_DELKEY]: No such file or directory".  I am not sure why this is happening so could someone explain what this message means and how to keep if from happening?  It seems to cause my reassociation to take longer than it should.
 
Thanks,
Joe
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