iptables prints "Warning: wierd character in interface `ethX:Y' (No aliases, :, ! or *)." when using IP aliasing
Issue
Running "iptables -o ethX:Y" prints an error like this:
Warning: wierd character in interface `ethX:Y' (No aliases, :, ! or *).
However, "iptables -L" shows the rule is loaded correctly.
Environment
RHEL 5
At least one IP alias has been set on at least one interface.
iptables is used to force outgoing packet to go through an aliased interface.
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