There is a good chance this is actually caused by the uplink stalling or throttling long enough for the pf queues to fill up and start dropping packets; the queues take a long time to drain once the connection resumes full throughput


So far, I suspect it's a PF issue.

64 bytes from 66.219.31.21: icmp_seq=40050 ttl=55 time=42.371 ms
64 bytes from 66.219.31.21: icmp_seq=40051 ttl=55 time=56.848 ms
64 bytes from 66.219.31.21: icmp_seq=40052 ttl=55 time=57.587 ms
64 bytes from 66.219.31.21: icmp_seq=40053 ttl=55 time=43.788 ms
64 bytes from 66.219.31.21: icmp_seq=40054 ttl=55 time=75.965 ms
64 bytes from 66.219.31.21: icmp_seq=40055 ttl=55 time=67.637 ms
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
64 bytes from 66.219.31.21: icmp_seq=40056 ttl=55 time=22934.168 ms
64 bytes from 66.219.31.21: icmp_seq=40057 ttl=55 time=21959.228 ms
64 bytes from 66.219.31.21: icmp_seq=40079 ttl=55 time=45.744 ms
64 bytes from 66.219.31.21: icmp_seq=40080 ttl=55 time=48.900 ms
64 bytes from 66.219.31.21: icmp_seq=40081 ttl=55 time=33.343 ms
64 bytes from 66.219.31.21: icmp_seq=40082 ttl=55 time=35.842 ms
64 bytes from 66.219.31.21: icmp_seq=40083 ttl=55 time=32.758 ms

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