Sep 10 00:14:46 dfbsd kernel: tap2: promiscuous mode enabled
Sep 10 00:14:50 dfbsd kernel: tap2: promiscuous mode disabled
Sep 10 00:14:50 dfbsd kernel: tap1: promiscuous mode disabled
Sep 10 00:14:50 dfbsd kernel: tap0: promiscuous mode disabled
tap0: MAC address: 00:bd:a8:36:01:00
tap1: MAC address: 00:bd:a9:36:01:01
tap2: MAC address: 00:bd:a9:36:01:02
tap3: MAC address: 00:bd:aa:36:01:03
bridge0: MAC address: 2a:90:f9:7a:24:d3
Sep 10 00:15:59 dfbsd kernel: tap0: promiscuous mode enabled
Sep 10 00:15:59 dfbsd kernel: tap1: promiscuous mode enabled
Sep 10 00:15:59 dfbsd kernel: tap2: promiscuous mode enabled
Sep 10 00:16:03 dfbsd kernel: tap2: promiscuous mode disabled
Sep 10 00:16:03 dfbsd kernel: tap1: promiscuous mode disabled
Sep 10 00:16:03 dfbsd kernel: tap0: promiscuous mode disabled
tap0: MAC address: 00:bd:87:98:01:00
tap1: MAC address: 00:bd:88:98:01:01
tap2: MAC address: 00:bd:88:98:01:02
tap3: MAC address: 00:bd:89:98:01:03
bridge0: MAC address: d2:42:91:4b:d5:3e
Sep 10 00:20:10 dfbsd kernel: tap0: promiscuous mode enabled
Sep 10 00:20:10 dfbsd kernel: tap1: promiscuous mode enabled
Sep 10 00:20:10 dfbsd kernel: tap2: promiscuous mode enabled
Sep 10 00:20:14 dfbsd kernel: tap2: promiscuous mode disabled
Sep 10 00:20:14 dfbsd kernel: tap1: promiscuous mode disabled
Sep 10 00:20:14 dfbsd kernel: tap0: promiscuous mode disabled
tap0: MAC address: 00:bd:0b:b2:01:00
tap1: MAC address: 00:bd:0b:b2:01:01
tap2: MAC address: 00:bd:0c:b2:01:02
tap3: MAC address: 00:bd:0c:b2:01:03
bridge0: MAC address: 76:83:c7:74:b2:ca
Sep 10 00:21:15 dfbsd kernel: tap0: promiscuous mode enabled
Sep 10 00:21:15 dfbsd kernel: tap1: promiscuous mode enabled
Sep 10 00:21:15 dfbsd kernel: tap2: promiscuous mode enabled
Sep 10 00:21:20 dfbsd kernel: tap2: promiscuous mode disabled
Sep 10 00:21:20 dfbsd kernel: tap1: promiscuous mode disabled
Sep 10 00:21:20 dfbsd kernel: tap0: promiscuous mode disabled
tap0: MAC address: 00:bd:61:dd:01:00
tap1: MAC address: 00:bd:62:dd:01:01
tap2: MAC address: 00:bd:62:dd:01:02
tap3: MAC address: 00:bd:63:dd:01:03
bridge0: MAC address: 9e:8f:dd:d6:17:3d
Sep 10 00:23:06 dfbsd kernel: tap0: promiscuous mode enabled
Sep 10 00:23:06 dfbsd kernel: tap1: promiscuous mode enabled
Sep 10 00:23:06 dfbsd kernel: tap2: promiscuous mode enabled
Sep 10 00:23:09 dfbsd kernel: arp: unknown hardware address format (0x0)
panic: bridge_delete_span: not a span interface
cpuid = 0
Trace beginning at frame 0xfffff8008d1f8a20
bridge_delete_span() at bridge_delete_span+0x87 0xffffffff82622f37 
bridge_delete_span() at bridge_delete_span+0x87 0xffffffff82622f37 
bridge_ioctl_delspan() at bridge_ioctl_delspan+0x58 0xffffffff82622fb8 
bridge_control_dispatch() at bridge_control_dispatch+0x64 0xffffffff826220e4 
netmsg_service_loop() at netmsg_service_loop+0xe9 0xffffffff807464a9 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>