Same symptoms on a Dell XPS13 Ubuntu 17.10. Happens very frequently on WiFi, but also with my D-Link USB ethernet dongle.
sudo lshw -class network [sudo] password for davidv: *-network description: Wireless interface product: Wireless 7265 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlp2s0 version: 48 serial: 5c:e0:c5:35:38:92 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.13.0-36-generic firmware=17.608620.0 ip=10.10.2.70 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: irq:51 memory:f7000000-f7001fff *-network description: Ethernet interface physical id: 2 bus info: usb@3:1 logical name: enxc0a0bb58a609 serial: c0:a0:bb:58:a6:09 size: 1Gbit/s capacity: 1Gbit/s capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=ax88179_178a duplex=full ip=10.10.1.40 link=yes multicast=yes port=MII speed=1Gbit/s -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666432 Title: Internet drops every few minutes on wired and wireless connection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1666432/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs