Here is the log after I did a ipconfig /renew on my test machine on VLAN 2100.
Feb 27 16:48:22.981489 [MSTR][INFO] jdhcpd_io_recv_pkt: recvmsg() l3_ifindex: 74
Feb 27 16:48:22.981575 [MSTR][NOTE] jdhcpd_io_recv_pkt: recvmsg() l2_ifindex: 85
Feb 27 16:48:22.982497 [MSTR][INFO] [irb.2100] jdhcpd_io_get_ifs: The L3 interface is 74 and L2 interface is 85, using the L3 interface
Feb 27 16:48:22.982538 [MSTR][NOTE] jdhcpd_io_reader: Recv DHCP packet on logical-system default, routing-instance default, if irb.2100 size 300
Feb 27 16:48:22.982594 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP from == 0.0.0.0, port == 68 ]--
Feb 27 16:48:22.982681 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP size == 300, op == 1 ]--
Feb 27 16:48:22.982718 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP flags == 8000 ]--
Feb 27 16:48:22.982752 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP htype == 1, hlen == 6 ]--
Feb 27 16:48:22.982785 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP hops == 0, xid == 58d37e3a ]--
Feb 27 16:48:22.982819 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP secs == 0, flags == 8000 ]--
Feb 27 16:48:22.982863 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP ciaddr == 0.0.0.0 ]--
Feb 27 16:48:22.982898 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP yiaddr == 0.0.0.0 ]--
Feb 27 16:48:22.982933 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP siaddr == 0.0.0.0 ]--
Feb 27 16:48:22.982968 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP giaddr == 0.0.0.0 ]--
Feb 27 16:48:22.983022 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP chaddr == 84 7b eb 27 e9 f0 00 00 00 00 00 00 00 00 00 00 ]--
Feb 27 16:48:22.983055 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP sname == ]--
Feb 27 16:48:22.983088 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP file == ]--
Feb 27 16:48:22.983125 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 53, len 1, data DHCP-DISCOVER ]--
Feb 27 16:48:22.983170 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 61, len 7, data 01 84 7b eb 27 e9 f0 ]--
Feb 27 16:48:22.983246 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 50, len 4, data ac 11 00 82 ]--
Feb 27 16:48:22.983299 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 12, len 13, data 41 47 49 54 2d 4c 2d 54 43 57 31 33 35 ]--
Feb 27 16:48:22.983342 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 60, len 8, data 4d 53 46 54 20 35 2e 30 ]--
Feb 27 16:48:22.983393 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 55, len 14, data 01 03 06 0f 1f 21 2b 2c 2e 2f 77 79 f9 fc ]--
Feb 27 16:48:22.983427 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 255, len 0 ]--
Feb 27 16:48:22.983625 [MSTR][NOTE] [default:default][RLY][INET][irb.2100] jdhcpd_packet_handle: BOOTPREQUEST irb.2100 arrived on unconfigured interface DISCOVER, flags 3, config 0x0
Feb 27 16:48:26.102776 [MSTR][INFO] jdhcpd_io_recv_pkt: recvmsg() l3_ifindex: 74
Feb 27 16:48:26.116745 [MSTR][NOTE] jdhcpd_io_recv_pkt: recvmsg() l2_ifindex: 85
Feb 27 16:48:26.116808 [MSTR][INFO] [irb.2100] jdhcpd_io_get_ifs: The L3 interface is 74 and L2 interface is 85, using the L3 interface
Feb 27 16:48:26.116843 [MSTR][NOTE] jdhcpd_io_reader: Recv DHCP packet on logical-system default, routing-instance default, if irb.2100 size 300
Feb 27 16:48:26.116897 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP from == 0.0.0.0, port == 68 ]--
Feb 27 16:48:26.116935 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP size == 300, op == 1 ]--
Feb 27 16:48:26.116968 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP flags == 8000 ]--
Feb 27 16:48:26.117001 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP htype == 1, hlen == 6 ]--
Feb 27 16:48:26.117035 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP hops == 0, xid == 58d37e3a ]--
Feb 27 16:48:26.117068 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP secs == 0, flags == 8000 ]--
Feb 27 16:48:26.117165 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP ciaddr == 0.0.0.0 ]--
Feb 27 16:48:26.117206 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP yiaddr == 0.0.0.0 ]--
Feb 27 16:48:26.117241 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP siaddr == 0.0.0.0 ]--
Feb 27 16:48:26.117275 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP giaddr == 0.0.0.0 ]--
Feb 27 16:48:26.117327 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP chaddr == 84 7b eb 27 e9 f0 00 00 00 00 00 00 00 00 00 00 ]--
Feb 27 16:48:26.117360 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP sname == ]--
Feb 27 16:48:26.117392 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP file == ]--
Feb 27 16:48:26.117429 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 53, len 1, data DHCP-DISCOVER ]--
Feb 27 16:48:26.117474 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 61, len 7, data 01 84 7b eb 27 e9 f0 ]--
Feb 27 16:48:26.117514 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 50, len 4, data ac 11 00 82 ]--
Feb 27 16:48:26.117562 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 12, len 13, data 41 47 49 54 2d 4c 2d 54 43 57 31 33 35 ]--
Feb 27 16:48:26.117604 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 60, len 8, data 4d 53 46 54 20 35 2e 30 ]--
Feb 27 16:48:26.117844 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 55, len 14, data 01 03 06 0f 1f 21 2b 2c 2e 2f 77 79 f9 fc ]--
Feb 27 16:48:26.117899 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 255, len 0 ]--
Feb 27 16:48:26.117940 [MSTR][NOTE] [default:default][RLY][INET][irb.2100] jdhcpd_packet_handle: BOOTPREQUEST irb.2100 arrived on unconfigured interface DISCOVER, flags 3, config 0x0
Feb 27 16:48:29.224994 [MSTR][INFO] jdhcpd_io_recv_pkt: recvmsg() l3_ifindex: 74
Feb 27 16:48:29.225105 [MSTR][NOTE] jdhcpd_io_recv_pkt: recvmsg() l2_ifindex: 85
Feb 27 16:48:29.225861 [MSTR][INFO] [irb.2100] jdhcpd_io_get_ifs: The L3 interface is 74 and L2 interface is 85, using the L3 interface
Feb 27 16:48:29.225898 [MSTR][NOTE] jdhcpd_io_reader: Recv DHCP packet on logical-system default, routing-instance default, if irb.2100 size 300
Feb 27 16:48:29.225952 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP from == 0.0.0.0, port == 68 ]--
Feb 27 16:48:29.226096 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP size == 300, op == 1 ]--
Feb 27 16:48:29.226133 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP flags == 8000 ]--
Feb 27 16:48:29.226167 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP htype == 1, hlen == 6 ]--
Feb 27 16:48:29.226200 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP hops == 0, xid == 58d37e3a ]--
Feb 27 16:48:29.226233 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP secs == 768, flags == 8000 ]--
Feb 27 16:48:29.226268 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP ciaddr == 0.0.0.0 ]--
Feb 27 16:48:29.226302 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP yiaddr == 0.0.0.0 ]--
Feb 27 16:48:29.226336 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP siaddr == 0.0.0.0 ]--
Feb 27 16:48:29.226370 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP giaddr == 0.0.0.0 ]--
Feb 27 16:48:29.226422 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP chaddr == 84 7b eb 27 e9 f0 00 00 00 00 00 00 00 00 00 00 ]--
Feb 27 16:48:29.226455 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP sname == ]--
Feb 27 16:48:29.226489 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP file == ]--
Feb 27 16:48:29.226526 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 53, len 1, data DHCP-DISCOVER ]--
Feb 27 16:48:29.226598 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 61, len 7, data 01 84 7b eb 27 e9 f0 ]--
Feb 27 16:48:29.226640 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 50, len 4, data ac 11 00 82 ]--
Feb 27 16:48:29.226688 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 12, len 13, data 41 47 49 54 2d 4c 2d 54 43 57 31 33 35 ]--
Feb 27 16:48:29.226731 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 60, len 8, data 4d 53 46 54 20 35 2e 30 ]--
Feb 27 16:48:29.226781 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 55, len 14, data 01 03 06 0f 1f 21 2b 2c 2e 2f 77 79 f9 fc ]--
Feb 27 16:48:29.226815 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 255, len 0 ]--
Feb 27 16:48:29.226855 [MSTR][NOTE] [default:default][RLY][INET][irb.2100] jdhcpd_packet_handle: BOOTPREQUEST irb.2100 arrived on unconfigured interface DISCOVER, flags 3, config 0x0
Feb 27 16:48:36.474467 [MSTR][INFO] jdhcpd_io_recv_pkt: recvmsg() l3_ifindex: 74
Feb 27 16:48:36.474547 [MSTR][NOTE] jdhcpd_io_recv_pkt: recvmsg() l2_ifindex: 85
Feb 27 16:48:36.474587 [MSTR][INFO] [irb.2100] jdhcpd_io_get_ifs: The L3 interface is 74 and L2 interface is 85, using the L3 interface
Feb 27 16:48:36.474622 [MSTR][NOTE] jdhcpd_io_reader: Recv DHCP packet on logical-system default, routing-instance default, if irb.2100 size 300
Feb 27 16:48:36.474674 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP from == 0.0.0.0, port == 68 ]--
Feb 27 16:48:36.474711 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP size == 300, op == 1 ]--
Feb 27 16:48:36.474744 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP flags == 8000 ]--
Feb 27 16:48:36.474777 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP htype == 1, hlen == 6 ]--
Feb 27 16:48:36.474812 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP hops == 0, xid == 58d37e3a ]--
Feb 27 16:48:36.474846 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP secs == 2560, flags == 8000 ]--
Feb 27 16:48:36.474918 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP ciaddr == 0.0.0.0 ]--
Feb 27 16:48:36.474955 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP yiaddr == 0.0.0.0 ]--
Feb 27 16:48:36.474990 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP siaddr == 0.0.0.0 ]--
Feb 27 16:48:36.475024 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP giaddr == 0.0.0.0 ]--
Feb 27 16:48:36.475077 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP chaddr == 84 7b eb 27 e9 f0 00 00 00 00 00 00 00 00 00 00 ]--
Feb 27 16:48:36.475111 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP sname == ]--
Feb 27 16:48:36.475143 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP file == ]--
Feb 27 16:48:36.475180 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 53, len 1, data DHCP-DISCOVER ]--
Feb 27 16:48:36.475226 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 61, len 7, data 01 84 7b eb 27 e9 f0 ]--
Feb 27 16:48:36.475265 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 50, len 4, data ac 11 00 82 ]--
Feb 27 16:48:36.475424 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 12, len 13, data 41 47 49 54 2d 4c 2d 54 43 57 31 33 35 ]--
Feb 27 16:48:36.475486 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 60, len 8, data 4d 53 46 54 20 35 2e 30 ]--
Feb 27 16:48:36.475537 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 55, len 14, data 01 03 06 0f 1f 21 2b 2c 2e 2f 77 79 f9 fc ]--
Feb 27 16:48:36.475572 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 255, len 0 ]--
Feb 27 16:48:36.475612 [MSTR][NOTE] [default:default][RLY][INET][irb.2100] jdhcpd_packet_handle: BOOTPREQUEST irb.2100 arrived on unconfigured interface DISCOVER, flags 3, config 0x0
Feb 27 16:48:51.981785 [MSTR][INFO] jdhcpd_io_recv_pkt: recvmsg() l3_ifindex: 74
Feb 27 16:48:51.981866 [MSTR][NOTE] jdhcpd_io_recv_pkt: recvmsg() l2_ifindex: 85
Feb 27 16:48:51.982628 [MSTR][INFO] [irb.2100] jdhcpd_io_get_ifs: The L3 interface is 74 and L2 interface is 85, using the L3 interface
Feb 27 16:48:51.982666 [MSTR][NOTE] jdhcpd_io_reader: Recv DHCP packet on logical-system default, routing-instance default, if irb.2100 size 300
Feb 27 16:48:51.982723 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP from == 0.0.0.0, port == 68 ]--
Feb 27 16:48:51.982762 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP size == 300, op == 1 ]--
Feb 27 16:48:51.982795 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP flags == 8000 ]--
Feb 27 16:48:51.982829 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP htype == 1, hlen == 6 ]--
Feb 27 16:48:51.982862 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP hops == 0, xid == 58d37e3a ]--
Feb 27 16:48:51.982895 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP secs == 6400, flags == 8000 ]--
Feb 27 16:48:51.982930 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP ciaddr == 0.0.0.0 ]--
Feb 27 16:48:51.982965 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP yiaddr == 0.0.0.0 ]--
Feb 27 16:48:51.982999 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP siaddr == 0.0.0.0 ]--
Feb 27 16:48:51.983033 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP giaddr == 0.0.0.0 ]--
Feb 27 16:48:51.983086 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP chaddr == 84 7b eb 27 e9 f0 00 00 00 00 00 00 00 00 00 00 ]--
Feb 27 16:48:51.983120 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP sname == ]--
Feb 27 16:48:51.983152 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ DHCP/BOOTP file == ]--
Feb 27 16:48:51.983285 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 53, len 1, data DHCP-DISCOVER ]--
Feb 27 16:48:51.983386 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 61, len 7, data 01 84 7b eb 27 e9 f0 ]--
Feb 27 16:48:51.983430 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 50, len 4, data ac 11 00 82 ]--
Feb 27 16:48:51.983479 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 12, len 13, data 41 47 49 54 2d 4c 2d 54 43 57 31 33 35 ]--
Feb 27 16:48:51.983522 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 60, len 8, data 4d 53 46 54 20 35 2e 30 ]--
Feb 27 16:48:51.983572 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 55, len 14, data 01 03 06 0f 1f 21 2b 2c 2e 2f 77 79 f9 fc ]--
Feb 27 16:48:51.983606 [MSTR][INFO] [default:default][RLY][INET][irb.2100] --[ OPTION code 255, len 0 ]--
Feb 27 16:48:51.983646 [MSTR][NOTE] [default:default][RLY][INET][irb.2100] jdhcpd_packet_handle: BOOTPREQUEST irb.2100 arrived on unconfigured interface DISCOVER, flags 3, config 0x0