I can reproduce this problem on 2 different servers Manufacturer: LENOVO Product Name: ThinkServer RD640
and Manufacturer: Huawei Technologies Co., Ltd. Product Name: RH2288H V2-8S Version: V100R002 both have 1G onboard nics -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1493753 Title: igb network adapter is frequenly resetted and network disconnected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1493753/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs