Comment 2 for bug 403808

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Pawel Barcik (pawel-barcik) wrote :

It is caused by iptables, and the solution is here at the end of the page:

"fail2ban.action.action ERROR on startup/restart

I had multiple fail2ban.action.action ERROR on startup/restart. It seems there was a "race" condition with iptables. I solved the problem completely on my system by editing /usr/bin/fail2ban-client and adding a time.sleep(0.1)

def __processCmd(self, cmd, showRet = True):
beautifier = Beautifier() for c in cmd: time.sleep(0.1) beautifier.setInputCmd(c) "

adding " time.sleep(0.1)" worked like a charm for me. it extends the restart time by 20 or so seconds, but works great.