I’ll let @sa2000 handle this but wanted to throw in what I noticed in your logs right after the 10% EPG at 6:26 this morning:
112012 May 05, 2018 06:26:47.308 [16668] DEBUG - Network change.
112013 May 05, 2018 06:26:47.308 [16668] DEBUG - NetworkInterface: Notified of network changed (force=0)
112014 May 05, 2018 06:26:47.382 [16668] DEBUG - Network change notification but nothing changed.
112015 May 05, 2018 06:26:47.384 [16668] DEBUG - Network change.
112016 May 05, 2018 06:26:47.384 [16668] DEBUG - NetworkInterface: Notified of network changed (force=0)
112017 May 05, 2018 06:26:47.453 [16668] DEBUG - Network change notification but nothing changed.
When I search for all Network Interface messages in the log I see:
31002 May 02, 2018 02:23:57.042 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
33586 May 02, 2018 04:05:16.093 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
33589 May 02, 2018 04:05:16.120 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69726 May 03, 2018 02:53:35.715 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69729 May 03, 2018 02:53:35.823 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69732 May 03, 2018 02:53:35.959 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69841 May 03, 2018 02:53:45.351 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69847 May 03, 2018 02:53:57.745 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69850 May 03, 2018 02:53:57.847 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69853 May 03, 2018 02:53:57.966 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69860 May 03, 2018 02:54:08.434 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69863 May 03, 2018 02:54:15.717 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69866 May 03, 2018 02:54:15.817 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69869 May 03, 2018 02:54:15.874 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
69872 May 03, 2018 02:54:15.966 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
71079 May 03, 2018 04:05:41.331 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
71096 May 03, 2018 04:05:41.373 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
74269 May 03, 2018 07:45:34.614 [41348] DEBUG - NetworkInterface: Notified of network changed (force=0)
74627 May 05, 2018 03:49:28.425 [110724] DEBUG - NetworkInterface: Notified of network changed (force=0)
74629 May 05, 2018 03:49:28.437 [110724] DEBUG - NetworkInterface: ignoring adapter 'PIA' (fe80::746d:869:e2e2:ca73%16,10.11.12.6) because it has no gateway
74630 May 05, 2018 03:49:28.437 [110724] DEBUG - NetworkInterface: ignoring adapter 'Ethernet 3' (fe80::9c2d:abbe:6075:334a%4,169.254.51.74) because it has no gateway
74631 May 05, 2018 03:49:28.441 [110724] DEBUG - NetworkInterface: ignoring adapter 'Loopback Pseudo-Interface 1' (::1,127.0.0.1) because it has no gateway
108207 May 05, 2018 06:11:40.613 [110352] DEBUG - NetworkInterface: Notified of network changed (force=0)
108209 May 05, 2018 06:11:40.624 [110352] DEBUG - NetworkInterface: ignoring adapter 'PIA' (fe80::746d:869:e2e2:ca73%16,10.11.12.6) because it has no gateway
108210 May 05, 2018 06:11:40.624 [110352] DEBUG - NetworkInterface: ignoring adapter 'Ethernet 3' (fe80::9c2d:abbe:6075:334a%4,169.254.51.74) because it has no gateway
108211 May 05, 2018 06:11:40.631 [110352] DEBUG - NetworkInterface: ignoring adapter 'Loopback Pseudo-Interface 1' (::1,127.0.0.1) because it has no gateway
110885 May 05, 2018 06:26:22.306 [17388] DEBUG - NetworkInterface: Notified of network changed (force=0)
110887 May 05, 2018 06:26:22.312 [17388] DEBUG - NetworkInterface: ignoring adapter 'PIA' (fe80::746d:869:e2e2:ca73%16,169.254.202.115) because it has no gateway
110888 May 05, 2018 06:26:22.313 [17388] DEBUG - NetworkInterface: ignoring adapter 'Ethernet 3' (fe80::9c2d:abbe:6075:334a%4,169.254.51.74) because it has no gateway
110889 May 05, 2018 06:26:22.317 [17388] DEBUG - NetworkInterface: ignoring adapter 'Loopback Pseudo-Interface 1' (::1,127.0.0.1) because it has no gateway
112013 May 05, 2018 06:26:47.308 [16668] DEBUG - NetworkInterface: Notified of network changed (force=0)
112016 May 05, 2018 06:26:47.384 [16668] DEBUG - NetworkInterface: Notified of network changed (force=0)
116000 May 05, 2018 09:01:45.213 [5100] DEBUG - NetworkInterface: Notified of network changed (force=0)
116002 May 05, 2018 09:01:45.225 [5100] DEBUG - NetworkInterface: ignoring adapter 'PIA' (fe80::746d:869:e2e2:ca73%16,169.254.202.115) because it has no gateway
116003 May 05, 2018 09:01:45.226 [5100] DEBUG - NetworkInterface: ignoring adapter 'Ethernet 3' (fe80::9c2d:abbe:6075:334a%4,169.254.51.74) because it has no gateway
116004 May 05, 2018 09:01:45.231 [5100] DEBUG - NetworkInterface: ignoring adapter 'Loopback Pseudo-Interface 1' (::1,127.0.0.1) because it has no gateway
Looks like you might have some sort of networking issue but I’ll defer to @sa2000.