Comment 37 for bug 1666432

My Ubuntu 18.04 randomly drops ethernet connection once per hour while in use. Reboot clears this issue.

 *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: enp4s0
       version: 06
       serial: 74:d4:35:b1:58:ff
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8168 driverversion=8.045.08-NAPI duplex=full ip=192.168.1.50 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       resources: irq:25 ioport:de00(size=256) memory:fddff000-fddfffff memory:fddf8000-fddfbfff