Jun 15 20:15:21 deepthought systemd[1]: Starting Create bridge interface named br0...
Jun 15 20:15:22 deepthought systemd-udevd[441]: Could not generate persistent MAC address for br0: No such file or directory
Jun 15 20:15:22 deepthought systemd[1]: Started Create bridge interface named br0.
Jun 15 20:15:22 deepthought systemd[1]: Starting dhcpcd on all interfaces...
Jun 15 20:15:22 deepthought dhcpcd[463]: dev: loaded udev
Jun 15 20:15:22 deepthought dhcpcd[463]: forked to background, child pid 464
Jun 15 20:15:22 deepthought systemd[1]: Started dhcpcd on all interfaces.
Jun 15 20:15:22 deepthought systemd[1]: Starting IPv4 DHCP server on br0...
Jun 15 20:15:22 deepthought dhcpcd[464]: DUID 00:01:00:01:1e:36:d3:8f:10:08:b1:c9:1b:bd
Jun 15 20:15:22 deepthought dhcpcd[464]: br0: IAID e6:9d:b5:1a
Jun 15 20:15:22 deepthought dhcpcd[464]: br0: using static address 172.16.0.1/16
Jun 15 20:15:22 deepthought dhcpcd[464]: br0: adding route to 172.16.0.0/16
Jun 15 20:15:22 deepthought named[466]: listening on IPv4 interface br0, 172.16.0.1#53
Jun 15 20:15:22 deepthought systemd[1]: Started IPv4 DHCP server on br0.
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: carrier lost
Jun 16 12:40:13 deepthought kernel: br0: port 1(tap0) entered blocking state
Jun 16 12:40:13 deepthought kernel: br0: port 1(tap0) entered disabled state
Jun 16 12:40:13 deepthought kernel: br0: port 1(tap0) entered blocking state
Jun 16 12:40:13 deepthought kernel: br0: port 1(tap0) entered forwarding state
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: deleting route to 172.16.0.0/16
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: carrier acquired
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: IAID e6:9d:b5:1a
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: using static address 172.16.0.1/16
Jun 16 12:40:13 deepthought dhcpcd[464]: br0: adding route to 172.16.0.0/16
Jun 16 12:40:13 deepthought named[466]: listening on IPv4 interface br0, 172.16.0.1#53
Jun 16 12:40:13 deepthought dhcpcd[464]: tap0: IAID df:02:61:57
Jun 16 12:40:13 deepthought dhcpcd[464]: tap0: soliciting an IPv6 router
Jun 16 12:40:13 deepthought dhcpcd[464]: tap0: soliciting a DHCP lease
Jun 16 12:40:27 deepthought dhcpcd[464]: tap0: no IPv6 Routers available
Jun 16 12:40:28 deepthought dhcpd[528]: DHCPDISCOVER from 52:54:00:12:34:56 via br0
Jun 16 12:40:29 deepthought dhcpd[528]: DHCPOFFER on 172.16.0.2 to 52:54:00:12:34:56 (centos7) via br0
Jun 16 12:40:29 deepthought dhcpd[528]: DHCPREQUEST for 172.16.0.2 (172.16.0.1) from 52:54:00:12:34:56 (centos7) via br0
Jun 16 12:40:29 deepthought dhcpd[528]: DHCPACK on 172.16.0.2 to 52:54:00:12:34:56 (centos7) via br0
Jun 16 12:59:49 deepthought systemd[1]: Stopping IPv4 DHCP server on br0...
Jun 16 12:59:49 deepthought systemd[1]: Stopped IPv4 DHCP server on br0.
Jun 16 12:59:49 deepthought systemd[1]: Starting IPv4 DHCP server on br0...
Jun 16 12:59:50 deepthought systemd[1]: Started IPv4 DHCP server on br0.
Jun 16 13:01:13 deepthought dhcpd[29301]: DHCPDISCOVER from 52:54:00:12:34:56 (centos7) via br0
Jun 16 13:01:18 deepthought dhcpd[29301]: DHCPDISCOVER from 52:54:00:12:34:56 via br0
Jun 16 13:01:19 deepthought dhcpd[29301]: DHCPOFFER on 172.16.0.3 to 52:54:00:12:34:56 (centos7) via br0
Jun 16 13:01:19 deepthought dhcpd[29301]: DHCPREQUEST for 172.16.0.3 (172.16.0.1) from 52:54:00:12:34:56 (centos7) via br0
Jun 16 13:01:19 deepthought dhcpd[29301]: DHCPACK on 172.16.0.3 to 52:54:00:12:34:56 (centos7) via br0