mDNSResponder/ network traffic reduction measures in effect

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Your Mac's Specs
MacBook Air mid-2013 4GB, and other machines
[Part I in a series of "Why Does My Machine Randomly Shut Down And Related Oddities" :-D ]

Below you can see a bunch of log output which seems to show a network problem. My connection is not too fast, which I've blamed on my low tier of U-Verse, but this makes me wonder. And it seems to occur each wakeup.

"network traffic reduction measures in effect" I've found mentioned as an AirPort problem.
BUT, my AirPort is OFF.
?!?!?!?

(Plus, why is it changing the host name and then back again?)


Mar 1 08:41:43 al-pines-imac-g5 kernel[0]: System Wake
Mar 1 08:41:43 al-pines-imac-g5 kernel[0]: Wake event 0020
Mar 1 08:41:43 al-pines-imac-g5 kernel[0]: UniNEnet::monitorLinkStatus - Link is up at 100 Mbps - Full Duplex (PHY regs 5,6:0x41e1,0x0007)
Mar 1 08:37:49 al-pines-imac-g5 configd[36]: setting hostname to "al-pines-imac-g5.local"
Mar 1 08:41:43 unknown000D93C8E73A configd[36]: setting hostname to "unknown000D93C8E73A"
Mar 1 08:56:49 unknown000D93C8E73A kernel[0]: IOPMSlotsMacRISC4::determineSleepSupport has canSleep true
Mar 1 08:56:50 unknown000D93C8E73A kernel[0]: System Sleep
Mar 1 09:06:10 unknown000D93C8E73A kernel[0]: System Wake
Mar 1 08:56:50 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:10 unknown000D93C8E73A kernel[0]: Wake event 0020
Mar 1 08:56:50 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:10 unknown000D93C8E73A kernel[0]: UniNEnet::monitorLinkStatus - Link is up at 100 Mbps - Full Duplex (PHY regs 5,6:0x41e1,0x0007)
Mar 1 08:56:50 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 08:56:50 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:10: --- last message repeated 1 time ---
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:10: --- last message repeated 2 times ---
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 22: Error 50 Network is down
Mar 1 09:06:03 unknown000D93C8E73A mDNSResponder[24]: ERROR: mDNSPlatformTCPConnect - connect failed: socket 9: Error 50 Network is down
Mar 1 09:06:11 al-pines-imac-g5 configd[36]: setting hostname to "al-pines-imac-g5.local"
Mar 1 09:06:11 al-pines-imac-g5 mDNSResponder[24]: Note: Frequent transitions for interface en0 (192.168.1.67); network traffic reduction measures in effect
Mar 1 09:06:26 unknown000D93C8E73A configd[36]: setting hostname to "unknown000D93C8E73A"
Mar 1 09:09:08 unknown000D93C8E73A ntpd[14]: time reset +2.174483 s
 

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