I have the same Problem. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/331699
I found the following workaround: - Install ethtool - Create /etc/pm/sleep.d/99realtek: #!/bin/sh ethtool -s eth0 speed 1000 This sets speed to 1000Mbit on resume. -- Gigabit network speed lost after suspend/hibernate https://bugs.launchpad.net/bugs/371159 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs