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QNA-UC5G1T DSM 7.2.1-69057 Update 5 网络失联问题
在群晖的网络设置比如调整mtu后，网卡失联，需要在套件中心重启aqc111driver ，才能恢复网络连接，我时刚入手的外置网卡，不知道之前的版本是不是也会这样。另外我在群晖的vm里建了一个ubuntu 做pt下载，在下载大文件时vm 及群晖的外置网卡均会失联。也需要在套件中心重启网卡驱动才能恢复，vm虚拟机不会恢复，需要强制关机重启才能恢复。这个我还没找到时什么引起的。
ifconfig
docker0 Link encap:Ethernet HWaddr 02:42:55:6E:7F:E8
inet addr:172.17.0.1 Bcast:172.17.255.255 Mask:255.255.0.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth0 Link encap:Ethernet HWaddr 90:09:D0:0A:15:A5
UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:99 base 0x4000
eth1 Link encap:Ethernet HWaddr 90:09:D0:0A:15:A6
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:2209 errors:0 dropped:0 overruns:0 frame:0
TX packets:5829 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:720642 (703.7 KiB) TX bytes:5219109 (4.9 MiB)
Interrupt:98
eth2 Link encap:Ethernet HWaddr 24:5E:BE:81:C6:BB
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:28093611 errors:0 dropped:0 overruns:0 frame:0
TX packets:4776592 errors:3600 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:36216074541 (33.7 GiB) TX bytes:1094168376 (1.0 GiB)
lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:606010 errors:0 dropped:0 overruns:0 frame:0 TX packets:606010 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:90432433 (86.2 MiB) TX bytes:90432433 (86.2 MiB)
ovs_eth0 Link encap:Ethernet HWaddr 90:09:D0:0A:15:A5
inet addr:169.254.166.80 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
ovs_eth1 Link encap:Ethernet HWaddr 90:09:D0:0A:15:A6
inet addr:192.168.1.219 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::9209:d0ff:fe0a:15a6/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2186 errors:0 dropped:0 overruns:0 frame:0
TX packets:4358 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:688772 (672.6 KiB) TX bytes:5219109 (4.9 MiB)
ovs_eth2 Link encap:Ethernet HWaddr 24:5E:BE:81:C6:BB
inet addr:192.168.1.220 Bcast:192.168.255.255 Mask:255.255.0.0
inet6 addr: fe80::265e:beff:fe81:c6bb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2320832 errors:0 dropped:0 overruns:0 frame:0
TX packets:2131318 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:34909807244 (32.5 GiB) TX bytes:41403923140 (38.5 GiB)
tap021132 Link encap:Ethernet HWaddr EA:6E:C4:3B:FA:4E
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:6178729 errors:0 dropped:0 overruns:0 frame:0
TX packets:29309642 errors:0 dropped:97183 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:35020087857 (32.6 GiB) TX bytes:76947917229 (71.6 GiB)
lsusb |__usb1 1d6b:0002:0404 09 2.00 480MBit/s 0mA 1IF (Linux 4.4.302+ xhci-hcd xHCI Host Controller 0000:00:15.0) hub |__1-1 051d:0002:0106 00 2.00 12MBit/s 100mA 1IF (American Power Conversion Back-UPS BK650M2-CH FW:294803G -292804G 9B2333A23296) |__1-4 f400:f400:0100 00 2.00 480MBit/s 200mA 1IF (Synology DiskStation 7F001A3AAA13F266) |__usb2 1d6b:0003:0404 09 3.00 5000MBit/s 0mA 1IF (Linux 4.4.302+ xhci-hcd xHCI Host Controller 0000:00:15.0) hub |__2-2 1c04:0015:0101 00 3.20 5000MBit/s 896mA 1IF (QNAP QNAP QNA-UC5G1T USB to 5GbE Adapter 37I00848)
