[Solved] Unbound service problem: service doesn't start

[stephdl (Stéphane de Labrusse)]

Could you check

Problem sending email

[root@prometheus ~]# sysctl -a | grep disable_ipv6 sysctl: reading key "net.ipv6.conf.all.stable_secret" net.ipv6.conf.all.disable_ipv6 = 0 sysctl: reading key "net.ipv6.conf.br0.stable_secret" net.ipv6.conf.br0.disable_ipv6 = 0 sysctl: reading key "net.ipv6.conf.default.stable_secret" net.ipv6.conf.default.disable_ipv6 = 0 sysctl: reading key "net.ipv6.conf.ens19.stable_secret" net.ipv6.conf.ens19.disable_ipv6 = 0 sysctl: reading key "net.ipv6.conf.eth0.stable_secret" net.ipv6.conf.eth0.disabl…

And also if you have something in /etc/sysctl.conf and ‘/etc/sysctl.d/’ that could stop ipv6. Verify if the file does not come from a rpm

Check some messages later in the first link