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--- Begin Message ---
Maybe DNS isn't updating or something?  

In any case, attempts to grab stuff from https://sysupgrade.openwrt.org are a 
crapshoot, depending on whether the client chooses the IPv4 or IPv6 address.

This 'wget' keeps retrying forever, while '-4' gets the file without pause.

$ wget -6 --connect-timeout=10 
https://sysupgrade.openwrt.org/json/v1/overview.json
--2024-06-26 14:41:43--  https://sysupgrade.openwrt.org/json/v1/overview.json
Resolving sysupgrade.openwrt.org... 2a03:b0c0:3:d0::1574:1
Connecting to sysupgrade.openwrt.org|2a03:b0c0:3:d0::1574:1|:443... failed: 
Operation timed out.
Retrying.



$ nslookup sysupgrade.openwrt.org
Non-authoritative answer:
sysupgrade.openwrt.org  canonical name = asu-01.infra.openwrt.org
Name:   asu-01.infra.openwrt.org
Address: 206.81.21.114

Non-authoritative answer:
sysupgrade.openwrt.org  canonical name = asu-01.infra.openwrt.org
Name:   asu-01.infra.openwrt.org
Address: 2a03:b0c0:3:d0::1574:1

$ ping -c4 206.81.21.114
PING 206.81.21.114 (206.81.21.114): 56 data bytes
64 bytes from 206.81.21.114: seq=0 ttl=47 time=175.577 ms
64 bytes from 206.81.21.114: seq=1 ttl=47 time=172.185 ms
64 bytes from 206.81.21.114: seq=2 ttl=47 time=174.383 ms
64 bytes from 206.81.21.114: seq=3 ttl=47 time=172.736 ms

--- 206.81.21.114 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 172.185/173.720/175.577 ms

$ ping 2a03:b0c0:3:d0::1574:1
PING 2a03:b0c0:3:d0::1574:1 (2a03:b0c0:3:d0::1574:1): 56 data bytes
^C
--- 2a03:b0c0:3:d0::1574:1 ping statistics ---
26 packets transmitted, 0 packets received, 100% packet loss



--- End Message ---
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