It may be related to IPv6 address assignments by operation system.
Look at bug description and patch at https://bugzilla.redhat.com/show_bug.cgi?id=1245951

чт, 14 июл. 2016 г. в 8:41, Stanislav Sinyagin <ssinyagin@gmail.com>:

This may happen if the machine has a dhcp address, and dhcp server delayed for a second during the machine startup. I opened a jira on that, but systemd  doesn't seem to offer a reliable way to delay the FreeSWITCH startup.

On Jul 14, 2016 07:16, "Michael Jerris" <mike@jerris.com> wrote:
it can happen if it failed to bind and startup or if the interface it's bound to goes away for some reason.


On Wednesday, July 13, 2016, Ahmed habiba <ahabiba@gmail.com> wrote:

Hi,

I face some issue, I have one FS instance that has been running for long time, today I was not able to connect and when I run “sofia status “ I get below 

                     Name    Type                                       Data State
=================================================================================================
external-ipv6 profile                   sip:mod_sofia@[::1]:5080 RUNNING (0)
internal-ipv6 profile                   sip:mod_sofia@[::1]:5060 RUNNING (0)


Which means that my lan IPV4 profile was not running I’m not sure about the reason but when I reload mod_sofia and run “sofia status” I get the below:

                     Name   Type                                       Data State
=================================================================================================
            external-ipv6 profile                   sip:mod_sofia@[::1]:5080 RUNNING (0)
             internal_lan profile             sip:mod_sofia@192.168.1.7:5060 RUNNING (0)
            internal-ipv6 profile                   sip:mod_sofia@[::1]:5060 RUNNING (0)

I’m not sure what could let a profile go down? your kind help will be appreciated.

Thanks,

Ahmed Habiba,

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