I just got this, today and found my way here by Googling this message, so it's still present in modern versions of Network Connect. 71 and a half million minutes... Just shy of 136 years and 70 days! Where does that number come from? Well, it's actually 4,294,966,980 seconds, which is just shy of 4,294,967,296, which is two to the power thirty two... So it's definitely a random 4-byte binary barf, generated by some misconfiguration in the secure gateway, or in how it's communicating with the client. Disconnecting and reconnecting usually makes it go away, but if it persists, look to the settings on the gateway.
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