I have a problem with my ethernet. it is unable to connect. From other answers on this site, i have the following messages.
lspci -nn | grep 0200
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
sudo modprobe r8101
modprobe: FATAL: Module r8101 not found in directory /lib/modules/4.4.0-72-generic
dmesg | grep -e eth
[ 2.078821] r8169 0000:03:00.0 eth0: rtl_counters_cond == 1 (loop: 1000, delay: 10).
[ 2.078853] r8169 0000:03:00.0 eth0: RTL8101e at 0xf841a000, ff:ff:ff:ff:ff:ff, XID 9cf0f8ff IRQ 89
[ 2.173432] r8169 0000:03:00.0 enp3s0: renamed from eth0
dmesg | grep -e eth -e r8169
[ 2.022696] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[ 2.022711] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 2.022824] r8169 0000:03:00.0 (unnamed net_device) (uninitialized): unknown MAC, using family default
[ 2.032807] r8169 0000:03:00.0 (unnamed net_device) (uninitialized): rtl_chipcmd_cond == 1 (loop: 100, delay: 100).
[ 2.078821] r8169 0000:03:00.0 eth0: rtl_counters_cond == 1 (loop: 1000, delay: 10).
[ 2.078853] r8169 0000:03:00.0 eth0: RTL8101e at 0xf841a000, ff:ff:ff:ff:ff:ff, XID 9cf0f8ff IRQ 89
[ 2.173432] r8169 0000:03:00.0 enp3s0: renamed from eth0
[ 2.195505] r8169 0000:03:00.0 enp3s0: rtl_counters_cond == 1 (loop: 1000, delay: 10).
[ 242.859397] r8169 0000:03:00.0 enp3s0: rtl_counters_cond == 1 (loop: 1000, delay: 10).
[ 245.874622] r8169 0000:03:00.0 enp3s0: rtl_counters_cond == 1 (loop: 1000, delay: 10).
The rtl_counters_cond seems to be repeated every few seconds or minutes and goes on for tens of lines in the output. i have truncated it.
Help please.