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Date:      Tue, 20 Apr 2021 09:25:19 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 255251] The ue0 device has an unstable network connection
Message-ID:  <bug-255251-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255251

            Bug ID: 255251
           Summary: The ue0 device has an unstable network connection
           Product: Base System
           Version: 13.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: n.diablo.n.f@list.ru

When I connect an external ethernet card to usb-c, its interface constantly
switches from UP to DOWN and back. Only the execution of the command "usbco=
nfig
-d 0.11 set_config 1" and the manual launch of the command "dhclient ue0" h=
elps
to avoid this.

kernel: ure0 on uhub3
kernel: ure0: <Realtek USB 10/100/1000 LAN, class 0/0, rev 3.00/31.00, addr=
 9>
on usbus0
kernel: ure0: unknown version 0x6010
kernel: miibus0: <MII bus> on ure0
kernel: rgephy0: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus0
kernel: rgephy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseT-FDX, 1000baseT-FDX-master, auto
kernel: ue0: <USB Ethernet> on ure0
kernel: ue0: Ethernet address: d4:3a:65:xx:xx:xx
kernel: ue0: link state changed to DOWN
kernel: ue0: link state changed to UP
ue0: link state changed to DOWN
kernel: ue0: link state changed to UP
dhclient[59000]: New IP Address (ue0): 192.168.51.200
dhclient[59741]: New Subnet Mask (ue0): 255.255.255.0
dhclient[60075]: New Broadcast Address (ue0): 192.168.51.255
dhclient[60092]: New Routers (ue0): 192.168.51.1
kernel: ue0: link state changed to DOWN
kernel: ue0: link state changed to UP
kernel: ue0: link state changed to DOWN
kernel: ue0: link state changed to UP
dhclient[70375]: New IP Address (ue0): 192.168.51.200
dhclient[71188]: New Subnet Mask (ue0): 255.255.255.0
dhclient[72005]: New Broadcast Address (ue0): 192.168.51.255
dhclient[72582]: New Routers (ue0): 192.168.51.

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