[Users] checkpoint vs iptables-save,

[Dariush Pietrzak]

Hi, 
 recently I noticed this:
CPT ERR: failed to exec iptables-save: -2
CPT ERR: f76cb000,1089 :iptables-save exited with 255
 this is fixable by such workaround: ln -s /bin/true /sbin/iptables-save
but it probably would be nicer to skip this check if iptables-save script
does not exist(or turn this into warning).

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Key fingerprint = 40D0 9FFB 9939 7320 8294  05E0 BCC7 02C4 75CC 50D9
 Total Existance Failure