after some manipulations (assign address and ping it) with the urndis device and unplug it usb port stops work.
dmesg OpenBSD 5.9-stable (GENERIC.MP) #0: Mon Apr 18 13:50:24 MSK 2016 r...@work.nightbbs.ru:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 2056990720 (1961MB) avail mem = 1990508544 (1898MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.5 @ 0xe9f80 (85 entries) bios0: vendor Hewlett-Packard version "786G1 v01.08" date 08/25/2008 bios0: Hewlett-Packard HP Compaq dc7900 Small Form Factor acpi0 at bios0: rev 0 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC ASF! MCFG TCPA SLIC HPET DMAR acpi0: wakeup devices COM1(S4) COM2(S4) PCI0(S4) PEG1(S4) PEG2(S4) IGBE(S4) PCX1(S4) PCX2(S4) PCX5(S4) PCX6(S4) HUB_(S4) USB1(S3) USB2(S3) USB3(S3) USB4(S3) USB5(S3) [...] acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz, 3159.18 MHz cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,XSAVE,NXE,LONG,LAHF,PERF,SENSOR cpu0: 6MB 64b/line 16-way L2 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 332MHz cpu0: mwait min=64, max=64, C-substates=0.2.2.2.2, IBE cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz, 3158.72 MHz cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,XSAVE,NXE,LONG,LAHF,PERF,SENSOR cpu1: 6MB 64b/line 16-way L2 cache cpu1: smt 0, core 1, package 0 ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 24 pins ioapic0: misconfigured as apic 0, remapped to apid 1 acpimcfg0 at acpi0 addr 0xf4000000, bus 0-63 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus -1 (PEG1) acpiprt2 at acpi0: bus -1 (PEG2) acpiprt3 at acpi0: bus 32 (PCX1) acpiprt4 at acpi0: bus -1 (PCX2) acpiprt5 at acpi0: bus 48 (PCX5) acpiprt6 at acpi0: bus -1 (PCX6) acpiprt7 at acpi0: bus 7 (HUB_) acpicpu0 at acpi0: !C2(500@17 mwait.3@0x10), C1(1000@1 mwait.1) acpicpu1 at acpi0: !C2(500@17 mwait.3@0x10), C1(1000@1 mwait.1) acpibtn0 at acpi0: PBTN cpu0: unknown Enhanced SpeedStep CPU, msr 0x0616492206004922 cpu0: using only highest and lowest power states cpu0: Enhanced SpeedStep 3159 MHz: speeds: 24333, 2000 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Q45 Host" rev 0x03 inteldrm0 at pci0 dev 2 function 0 "Intel Q45 Video" rev 0x03 drm0 at inteldrm0 intagp0 at inteldrm0 agp0 at intagp0: aperture at 0xe0000000, size 0x10000000 inteldrm0: msi inteldrm0: 1280x1024 wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) wsdisplay0: screen 1-5 added (std, vt100 emulation) "Intel Q45 Video" rev 0x03 at pci0 dev 2 function 1 not configured "Intel Q45 HECI" rev 0x03 at pci0 dev 3 function 0 not configured pciide0 at pci0 dev 3 function 2 "Intel Q45 PT IDER" rev 0x03: DMA (unsupported), channel 0 wired to native-PCI, channel 1 wired to native-PCI pciide0: using apic 1 int 18 for native-PCI interrupt pciide0: channel 0 ignored (not responding; disabled or no drives?) pciide0: channel 1 ignored (not responding; disabled or no drives?) puc0 at pci0 dev 3 function 3 "Intel Q45 KT" rev 0x03: ports: 1 com com4 at puc0 port 0 apic 1 int 17: ns16550a, 16 byte fifo com4: probed fifo depth: 15 bytes em0 at pci0 dev 25 function 0 "Intel ICH10 D BM LM" rev 0x02: msi, address 00:23:7d:4e:a2:5c uhci0 at pci0 dev 26 function 0 "Intel 82801JD USB" rev 0x02: apic 1 int 20 uhci1 at pci0 dev 26 function 1 "Intel 82801JD USB" rev 0x02: apic 1 int 21 uhci2 at pci0 dev 26 function 2 "Intel 82801JD USB" rev 0x02: apic 1 int 22 ehci0 at pci0 dev 26 function 7 "Intel 82801JD USB" rev 0x02: apic 1 int 22 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 azalia0 at pci0 dev 27 function 0 "Intel 82801JD HD Audio" rev 0x02: msi azalia0: codecs: Analog Devices AD1884A audio0 at azalia0 ppb0 at pci0 dev 28 function 0 "Intel 82801JD PCIE" rev 0x02: msi pci1 at ppb0 bus 32 ppb1 at pci0 dev 28 function 4 "Intel 82801JD PCIE" rev 0x02: msi pci2 at ppb1 bus 48 uhci3 at pci0 dev 29 function 0 "Intel 82801JD USB" rev 0x02: apic 1 int 20 uhci4 at pci0 dev 29 function 1 "Intel 82801JD USB" rev 0x02: apic 1 int 21 uhci5 at pci0 dev 29 function 2 "Intel 82801JD USB" rev 0x02: apic 1 int 22 ehci1 at pci0 dev 29 function 7 "Intel 82801JD USB" rev 0x02: apic 1 int 20 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb2 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xa2 pci3 at ppb2 bus 7 pcib0 at pci0 dev 31 function 0 "Intel 82801JDO LPC" rev 0x02 ahci0 at pci0 dev 31 function 2 "Intel 82801JD AHCI" rev 0x02: msi, AHCI 1.2 ahci0: port 0: 3.0Gb/s ahci0: port 1: 1.5Gb/s ahci0: PHY offline on port 2 scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, ST3250310AS, 3.AH> SCSI3 0/direct fixed t10.ATA_ST3250310AS_6RYG2JPT_ sd0: 238475MB, 512 bytes/sector, 488397168 sectors cd0 at scsibus1 targ 1 lun 0: <ATAPI, DVD A DH16A6L, ZH37> ATAPI 5/cdrom removable usb2 at uhci0: USB revision 1.0 uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci1: USB revision 1.0 uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb4 at uhci2: USB revision 1.0 uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb5 at uhci3: USB revision 1.0 uhub5 at usb5 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb6 at uhci4: USB revision 1.0 uhub6 at usb6 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb7 at uhci5: USB revision 1.0 uhub7 at usb7 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at pcib0 isadma0 at isa0 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 umsm0 at uhub0 port 5 configuration 1 interface 0 "HUAWEI Technology HUAWEI Mobile" rev 2.00/1.02 addr 2 ucom0 at umsm0 umsm1 at uhub0 port 5 configuration 1 interface 1 "HUAWEI Technology HUAWEI Mobile" rev 2.00/1.02 addr 2 ucom1 at umsm1 uhidev0 at uhub2 port 2 configuration 1 interface 0 "Cherry Mikroschalter product 0x0011" rev 2.00/1.00 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub4 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 2.00/13.00 addr 2 uhidev1: iclass 3/1 ukbd1 at uhidev1: 8 variable keys, 6 key codes wskbd2 at ukbd1 mux 1 wskbd2: connecting to wsdisplay0 uhidev2 at uhub4 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 2.00/13.00 addr 2 uhidev2: iclass 3/1, 8 report ids ums0 at uhidev2 reportid 2: 16 buttons, Z and W dir wsmouse0 at ums0 mux 0 uhid0 at uhidev2 reportid 3: input=4, output=0, feature=0 uhid1 at uhidev2 reportid 4: input=1, output=0, feature=0 uhid2 at uhidev2 reportid 8: input=1, output=0, feature=0 uhidev3 at uhub4 port 2 configuration 1 interface 2 "Logitech USB Receiver" rev 2.00/13.00 addr 2 uhidev3: iclass 3/0, 33 report ids uhid3 at uhidev3 reportid 16: input=6, output=6, feature=0 uhid4 at uhidev3 reportid 17: input=19, output=19, feature=0 uhid5 at uhidev3 reportid 32: input=14, output=14, feature=0 uhid6 at uhidev3 reportid 33: input=31, output=31, feature=0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (2cfc7c7795c390e7.a) swap on sd0b dump on sd0b WARNING: / was not properly unmounted umsm0: this device is not using CDC notify message in intr pipe. Please send your dmesg to <b...@openbsd.org>, thanks. umsm0: intr buffer 0xc1 0x1 0x3 0x0 0x0 0x0 0x0 umsm0: this device is not using CDC notify message in intr pipe. Please send your dmesg to <b...@openbsd.org>, thanks. umsm0: intr buffer 0xc1 0x1 0x3 0x0 0x0 0x0 0x0 uhub0: port 3 reset failed urndis0 at uhub0 port 3 configuration 1 interface 0 "Jolla Sailfish" rev 2.00/2.28 addr 3 urndis0: using RNDIS, address 0e:11:29:bc:4a:da urndis0 detached ehci0: port reset timeout uhub0: port 3 reset failed