found the bug and solved: my ethernet connection was in automatic mode for IPV6. My ISP is full IPV6 but IPV6 is not available in my office. Setting to Ignore solve the issue
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1092104 Title: Ethernet connection drop every 30 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1092104/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
