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References: <RT-Ticket-46767@isc.org> <87d13ucw5p.fsf@pzhukov-workstation.usersys.redhat.com> <rt-4.4.1-21730-1512560350-1611.46767-5-0@isc.org> <rt-4.4.1-21730-1512566895-604.46767-5-0@isc.org> <87bmjcas15.fsf@pzhukov-workstation.usersys.redhat.com> <rt-4.4.1-21730-1512567967-632.46767-5-0@isc.org> <rt-4.4.1-21730-1512570291-1342.46767-5-0@isc.org> <87374nc2tx.fsf@pzhukov-workstation.usersys.redhat.com> <rt-4.4.1-34262-1512572848-1492.46767-4-0@isc.org>
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Subject: Re: [ISC-Bugs #46767] [PATCH] DHCPd leaks sockets descriptors
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On 12/06/2017 10:07 AM, Pavel Zhukov via RT wrote:
> "Thomas Markwalder via RT" <dhcp-confidential@isc.org> writes:
>
>> Hello Pavel:
>>
>> We were able to reproduce it under Fedora 23.  Ubuntu and Centos 7
>> seem to be immune.  We have an alternative patch that is under review
>> and can forward it to you for testing once reviewed.
> Reproduced with Centos 7
> # rpm -q dhcp
> dhcp-4.2.5-58.el7.centos.x86_64
> # lsof | grep dhcpd | grep TCP | wc -l
> 191
> # omshell
>> server localhost
>> port 7911
>> connect
> dhcpctl_connect: no more
>
> Note: in case of virtual environment with virtio drivers and local to dhcpd
> traffic the issue is not reproducible.

AHA! Well done. Always better to have an logical explanation than not. 
Thank you for solving that.

Thomas