Hello, I have a problem which is that some of my VMs are loosing there IP addresses from time to time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST send from the VM by dhclient and the server responded only 50 minutes later ! Any help, advise on how to debug would be welcome. Thanks in advance Patrick Here after is an extract from the log July 1st 2016, 05:08:46.156 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f 10.10.0.10 July 1st 2016, 05:08:46.156 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail 10.10.0.10 July 1st 2016, 05:08:32.003 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:08:18.274 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:08:03.793 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:07:54.504 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:07:40.642 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:07:22.978 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:07:04.180 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:06:45.233 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:06:30.417 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:06:15.304 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:06:02.203 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:05:55.780 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:05:38.227 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:05:27.970 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:05:15.183 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:05:04.425 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:04:56.008 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:04:39.227 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:04:24.531 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:04:10.306 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:03:56.149 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:03:45.917 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:03:34.480 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:03:24.189 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:03:07.038 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:02:51.557 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:02:40.088 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:02:29.963 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:02:11.446 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:01:53.245 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:01:32.646 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:01:23.725 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:01:12.691 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:00:53.537 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:00:32.797 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:00:18.520 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 05:00:11.831 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:59:53.649 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:59:45.510 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:59:38.236 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:59:18.089 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:58:59.930 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:58:52.521 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:58:37.193 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:58:18.742 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:58:05.088 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:57:53.879 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:57:36.308 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:57:16.716 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:57:07.594 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:56:54.607 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:56:34.286 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:56:24.307 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:56:10.593 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:55:56.460 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:55:37.165 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:55:28.171 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:55:18.719 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:55:01.360 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:54:44.150 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:54:37.490 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:54:26.746 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:54:12.103 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:53:54.381 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:53:42.322 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:53:30.937 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:53:14.144 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:52:55.999 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:52:47.948 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:52:39.143 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:52:28.188 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:52:07.857 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:51:53.381 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:51:39.750 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:51:27.260 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:51:06.864 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:50:53.216 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:50:36.366 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:50:27.696 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:50:07.898 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:49:46.721 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:49:37.941 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:49:27.940 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:49:17.156 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:18:02.398 mail.pipiche.net <http://mail.pipiche.net/> dhclient bound to 10.10.0.10 -- renewal in 1614 seconds. 10.10.0.10 July 1st 2016, 04:18:02.260 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPACK from 10.10.0.1 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 04:18:02.260 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail 10.10.0.10 July 1st 2016, 03:55:03.644 mail.pipiche.net <http://mail.pipiche.net/> dhclient bound to 10.10.0.10 -- renewal in 1379 seconds. 10.10.0.10 July 1st 2016, 03:55:02.777 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f 10.10.0.10 July 1st 2016, 03:55:02.777 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPACK from 10.10.0.1 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 03:55:02.777 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail 10.10.0.10 July 1st 2016, 03:55:02.776 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 03:31:20.065 mail.pipiche.net <http://mail.pipiche.net/> dhclient bound to 10.10.0.10 -- renewal in 1422 seconds. 10.10.0.10 July 1st 2016, 03:31:16.303 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPACK from 10.10.0.1 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 03:31:16.225 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f 10.10.0.10 July 1st 2016, 03:31:16.225 mail.pipiche.net <http://mail.pipiche.net/> dhclient DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a) 10.10.0.1 July 1st 2016, 03:31:16.225 zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail 10.10.0.10 My setup is as followed - Fedora 24 / Kernel 4.5.7 libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64 libvirt-daemon-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64 libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64 libvirt-client-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64 libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64 libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64 libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64 - dnsmasq / 2.75-4 - Setup Network - hypervisor side. There is a bridge configuration, as I have one VM listening to the Internet as well. ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 net my ip address netmask 255.255.255.0 broadcast my ip address inet6 fe80::d6ae:52ff:fec7:6694 prefixlen 64 scopeid 0x20<link> ether d4:ae:52:c7:66:94 txqueuelen 1000 (Ethernet) RX packets 1395299 bytes 291328394 (277.8 MiB) RX errors 0 dropped 66 overruns 0 frame 0 TX packets 629001 bytes 777811458 (741.7 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 inet6 fe80::d6ae:52ff:fec7:6694 prefixlen 64 scopeid 0x20<link> ether d4:ae:52:c7:66:94 txqueuelen 1000 (Ethernet) RX packets 7254272 bytes 2658859144 (2.4 GiB) RX errors 0 dropped 4923 overruns 0 frame 0 TX packets 7302074 bytes 6556766298 (6.1 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 sudo iptables-save [sudo] password for support: # Generated by iptables-save v1.4.21 on Fri Jul 1 10:50:45 2016 *mangle :PREROUTING ACCEPT [313661:46683942] :INPUT ACCEPT [312868:46455263] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [204754:109339610] :POSTROUTING ACCEPT [204754:109339610] -A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill COMMIT # Completed on Fri Jul 1 10:50:45 2016 # Generated by iptables-save v1.4.21 on Fri Jul 1 10:50:45 2016 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [204361:109206834] -A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT -A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT -A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT -A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT -A INPUT -i br0 -m set --match-set banned src -j DROP -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -i virbr1 -o virbr1 -j ACCEPT -A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable -A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT -A FORWARD -m set --match-set banned src -j DROP -A FORWARD -j REJECT --reject-with icmp-host-prohibited -A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT COMMIT # Completed on Fri Jul 1 10:50:45 2016 <network> <name>prd-private-lan</name> <uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid> <bridge name='virbr1' stp='off' delay='0'/> <mac address='52:54:00:08:1e:d8'/> <domain name='prd.pipiche.net <http://prd.pipiche.net/>'/> <dns> <forwarder addr='8.8.4.4'/> <forwarder addr='8.8.8.8'/> </dns> <ip address='10.10.0.1' netmask='255.255.255.0'> <dhcp> <range start='10.10.0.128' end='10.10.0.254'/> <host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net <http://svc.prd.pipiche.net/>' ip='10.10.0.3'/> <host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net <http://admin.prd.pipiche.net/>' ip='10.10.0.5'/> <host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net <http://frontend.prd.pipiche.net/>' ip='10.10.0.7'/> <host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net <http://mail.prd.pipiche.net/>' ip='10.10.0.10'/> <host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net <http://blog.prd.pipiche.net/>' ip='10.10.0.21'/> <host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net <http://cloud.prd.pipiche.net/>' ip='10.10.0.22'/> <host mac='52:54:10:64:00:21' name='web.prd.pipiche.net <http://web.prd.pipiche.net/>' ip='10.10.0.25'/> <host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net <http://dcroche.prd.pipiche.net/>' ip='10.10.0.26'/> <host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net <http://trac.prd.pipiche.net/>' ip='10.10.0.27'/> <host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net <http://git.prd.pipiche.net/>' ip='10.10.0.62'/> </dhcp> </ip> </network> On the VM side, I?m using NetworkManager ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.10.0.10 netmask 255.255.255.0 broadcast 10.10.0.255 inet6 fe80::5054:10ff:fe7d:3a3f prefixlen 64 scopeid 0x20<link> ether 52:54:10:7d:3a:3f txqueuelen 1000 (Ethernet) RX packets 1368559 bytes 304901897 (290.7 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1219893 bytes 2157040102 (2.0 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0 # Generated by dracut initrd HWADDR="52:54:10:7d:3a:3f" DEVICE="eth0" NAME="eth0" ONBOOT=yes NETBOOT=yes IPV6INIT=no BOOTPROTO=dhcp TYPE=Ethernet DNS1=10.10.0.1 DNS2=8.8.8.8 DNS3=8.8.4.4 -------------- next part -------------- An HTML attachment was scrubbed... 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