26.10.2016 16:15:23.710653 [0x0000b6578700] DEBUG    Dump DHCP packet: op=1, htype=1, hlen=6, hops=0x02, xid=0x29d0d9d1, secs=28, flags=0x0000, ciaddr=0.0.0.0, yiaddr=0.0.0.0, siaddr=0.0.0.0, giaddr=10.23.255.254, chaddr=c8:0a:a9:5a:cc:ad, sname=, filename=, cookie=0x63538263, len=347, sin_addr=10.20.1.87, sin_port=17152, client_sockaddr=(2, 17152, 10.20.1.87), dhcp_nopt=6, client_hw_addr=63:38:3a:30:61:3a, client_dhcp_pkt_len_max=0, dhcp_req_type=<NOT SET>, dhcp_reply_type=<NOT SET>
26.10.2016 16:15:23.710957 [0x0000b6578700] DEBUG    dhcp_allocate_ip:4811: lookup equipment for MAC c8:0a:a9:5a:cc:ad
26.10.2016 16:15:23.711212 [0x0000b6578700] DEBUG    dhcp_allocate_ip:4860: lookup client by Op.82: c8:0a:a9:5a:cc:ad vgd=0x7f1da95b52c0 vg_id=27263 device_id=334: curr_session_limit=0 of 5
26.10.2016 16:15:23.711221 [0x0000b6578700] DEBUG    dhcp_pool_lookup_static_ip:238: lookup static IP by MAC: c8:0a:a9:5a:cc:ad on device_id=334 vg_id=27263
26.10.2016 16:15:23.711244 [0x0000b6578700] DEBUG    dhcp_pool_lookup_static_ip:320: pool_item 0x10f70d0: MAC doesn't match: expecting c8:0a:a9:5a:cc:ad, have 00:00:00:00:00:00
26.10.2016 16:15:23.711316 [0x0000b6578700] DEBUG    dhcp_pool_lookup_static_ip:345: lookup static IP by MAC: c8:0a:a9:5a:cc:ad: result (nil)
26.10.2016 16:15:23.711322 [0x0000b6578700] DEBUG    dhcp_allocate_ip:4876: lookup static IP assigned to vg_id=27263 but unassigned to MAC c8:0a:a9:5a:cc:ad
26.10.2016 16:15:23.711400 [0x0000b6578700] DEBUG    dhcp_allocate_ip:4891: lookup up client by MAC/vg c8:0a:a9:5a:cc:ad/27263: static IP found 10.23.16.20 leased=0
26.10.2016 16:15:23.711408 [0x0000b6578700] DEBUG    dhcp_msg_dispatch:143: DHCPDISCOVER from c8:0a:a9:5a:cc:ad -> DHCPOFFER, XID=0xd1d9d029, sec=7168
26.10.2016 16:15:23.711467 [0x0000b6578700] DEBUG    dhcp_msg_dispatch:399: client HW c8:0a:a9:5a:cc:ad assiged IP 10.23.16.20, XID=0xd1d9d029
26.10.2016 16:15:23.711527 [0x0000b6578700] DEBUG    Dump DHCP packet: op=2, htype=1, hlen=6, hops=0x00, xid=0x29d0d9d1, secs=0, flags=0x0000, ciaddr=0.0.0.0, yiaddr=10.23.16.20, siaddr=10.20.1.82, giaddr=10.23.255.254, chaddr=c8:0a:a9:5a:cc:ad, sname=(null), filename=(null), cookie=0x63825363, len=0, sin_addr=10.20.1.95, sin_port=68, client_sockaddr=(0, 0, 0.0.0.0), dhcp_nopt=9, client_hw_addr=, client_dhcp_pkt_len_max=1400, dhcp_req_type=DHCPDISCOVER, dhcp_reply_type=DHCPOFFER
26.10.2016 16:15:23.711650 [0x0000b6578700] INFO     offered 10.23.16.20 to c8:0a:a9:5a:cc:ad via relay 10.23.255.254:67
26.10.2016 16:15:37.564704 [0x0000b5576700] DEBUG    dhcp_pool_expire_offer:3939: Offer of IP "10.23.16.20" to MAC "c8:0a:a9:5a:cc:ad" on "2016-10-26 16:15:23" till "2016-10-26 16:15:28" (5 sec.) has expired. datetime now: 2016-10-26 16:15:37