Aug 11 02:07:05 router dhclient[21631]: igb1 link state up -> down
Aug 11 02:07:06 router dhclient[12994]: connection closed
Aug 11 02:07:06 router dhclient[12994]: exiting.
Aug 11 02:07:20 router dhclient: PREINIT
Aug 11 02:07:20 router dhclient[55023]: DHCPREQUEST on igb1 to 255.255.255.255 port 67
Aug 11 02:07:20 router dhclient[55023]: igb1 link state up -> down
Aug 11 02:07:20 router dhclient[55023]: DHCPREQUEST on igb1 to 255.255.255.255 port 67
Aug 11 02:07:23 router dhclient[55023]: DHCPREQUEST on igb1 to 255.255.255.255 port 67
Aug 11 02:07:28 router dhclient[55023]: igb1 link state down -> up
Aug 11 02:07:28 router dhclient[55023]: DHCPREQUEST on igb1 to 255.255.255.255 port 67
Aug 11 02:07:29 router dhclient[55023]: DHCPNAK from 192.168.100.1
Aug 11 02:07:29 router dhclient[55023]: DHCPDISCOVER on igb1 to 255.255.255.255 port 67 interval 1
Aug 11 02:07:29 router dhclient[55023]: DHCPOFFER from 192.168.100.1
Aug 11 02:07:29 router dhclient: ARPSEND
Aug 11 02:07:31 router dhclient: ARPCHECK
Aug 11 02:07:31 router dhclient[55023]: DHCPREQUEST on igb1 to 255.255.255.255 port 67
Aug 11 02:07:32 router dhclient[55023]: DHCPACK from 192.168.100.1
Aug 11 02:07:32 router dhclient: BOUND
Aug 11 02:07:32 router dhclient: Starting add_new_address()
Aug 11 02:07:32 router dhclient: ifconfig igb1 inet 192.168.100.10 netmask 255.255.255.0 broadcast 192.168.100.255 
Aug 11 02:07:32 router dhclient: New IP Address (igb1): 192.168.100.10
Aug 11 02:07:32 router dhclient: New Subnet Mask (igb1): 255.255.255.0
Aug 11 02:07:32 router dhclient: New Broadcast Address (igb1): 192.168.100.255
Aug 11 02:07:32 router dhclient: New Routers (igb1): 192.168.100.1
Aug 11 02:07:32 router dhclient: Adding new routes to interface: igb1
Aug 11 02:07:32 router dhclient: /sbin/route add default 192.168.100.1
Aug 11 02:07:32 router dhclient: Creating resolv.conf
Aug 11 02:07:32 router dhclient[55023]: bound to 192.168.100.10 -- renewal in 30 seconds.
Aug 11 02:07:37 router dhcp6c[23114]: no responses were received
Aug 11 02:07:42 router dhcp6c[23114]: no responses were received
Aug 11 02:07:42 router dhcp6c[23114]: exiting
Aug 11 02:08:02 router dhclient[64047]: DHCPREQUEST on igb1 to 192.168.100.1 port 67
Aug 11 02:08:03 router dhclient[64047]: DHCPACK from 192.168.100.1
Aug 11 02:08:03 router dhclient: RENEW
Aug 11 02:08:03 router dhclient: Creating resolv.conf
Aug 11 02:08:03 router dhclient[64047]: bound to 192.168.100.10 -- renewal in 30 seconds.
Aug 11 02:08:07 router dhcpleases: Sending HUP signal to dns daemon(97869)