# ifconfig p33p1 p33p1: flags=4163 mtu 1500 inet 192.168.94.33 netmask 255.255.255.0 broadcast 192.168.94.255 inet6 fe80::2e0:4cff:fe68:ee1c prefixlen 64 scopeid 0x20 ether 00:e0:4c:68:ee:1c txqueuelen 1000 (Ethernet) RX packets 190 bytes 23670 (23.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 226 bytes 28381 (27.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 # ethtool -i p33p1 driver: r8169 version: 2.3LK-NAPI firmware-version: bus-info: 0000:04:00.0 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: yes supports-priv-flags: no # dmesg | tail -n 20 [ 15.091451] NET: Registered protocol family 31 [ 15.091454] Bluetooth: HCI device and connection manager initialized [ 15.091457] Bluetooth: HCI socket layer initialized [ 15.091460] Bluetooth: L2CAP socket layer initialized [ 15.091466] Bluetooth: SCO socket layer initialized [ 15.132905] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 15.132910] Bluetooth: BNEP filters: protocol multicast [ 25.106009] em1: no IPv6 routers present [ 45.489144] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ 45.491423] r8169 0000:04:00.0: irq 47 for MSI/MSI-X [ 45.491854] r8169 0000:04:00.0: eth0: RTL8168g/8111g at 0xf7e86000, 00:e0:4c:68:ee:1c, XID 0c000800 IRQ 47 [ 45.491859] r8169 0000:04:00.0: eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 45.767173] udevd[400]: renamed network interface eth0 to p33p1 [ 45.849390] r8169 0000:04:00.0: p33p1: unable to load firmware patch rtl_nic/rtl8168g-1.fw (-2) [ 45.852564] r8169 0000:04:00.0: p33p1: link down [ 45.852602] r8169 0000:04:00.0: p33p1: link down [ 45.852743] ADDRCONF(NETDEV_UP): p33p1: link is not ready [ 48.719667] r8169 0000:04:00.0: p33p1: link up [ 48.719803] ADDRCONF(NETDEV_CHANGE): p33p1: link becomes ready [ 59.330009] p33p1: no IPv6 routers present # ping -qf -l 4 -s 81 -c 60 192.168.94.20 PING 192.168.94.20 (192.168.94.20) 81(109) bytes of data. --- 192.168.94.20 ping statistics --- 60 packets transmitted, 57 received, 5% packet loss, time 1ms rtt min/avg/max/mdev = 0.028/0.040/0.101/0.011 ms, pipe 4, ipg/ewma 0.021/0.035 ms # ping -qf -l 4 -s 82 -c 60 192.168.94.20 PING 192.168.94.20 (192.168.94.20) 82(110) bytes of data. --- 192.168.94.20 ping statistics --- 60 packets transmitted, 60 received, 0% packet loss, time 2ms rtt min/avg/max/mdev = 0.151/0.173/0.247/0.020 ms, pipe 4, ipg/ewma 0.048/0.168 ms