[Solved] Endevouros is unstable, after update

It looks same as the problem I’ve had with NetworkManager which don’t allocate a DHCP ipv4 address.
Endeavour site cannot be reach without ipv4.

To see if you have an ipv4

$ ip a
Summary
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether ff:ff:ff:ff:00:00 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.19/24 brd 192.168.0.255 scope global dynamic noprefixroute wlan0
       valid_lft 42750sec preferred_lft 42750sec
    inet6 9999:999:9999:aaa:bbbb:cccc:dddd:eeee/64 scope global dynamic noprefixroute 
       valid_lft 86357sec preferred_lft 86357sec
    inet6 ffff::999:9999:aaaa:bbbb/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

If you don’t have inet allocation like “inet 192.168.0.19/24”, that is the problem.

Just run in a terminal dhcpd, and then you’ve got an ipv4.

$ dhcpd

The workaround is here : [Workaround] How to fix connection bug within NetworkManager 1.22.2

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