/e/n/i contains: auto eth0 iface eth0 inet dhcp
so assuming NetworkManager.conf contains [ifupdown] managed=false it's expected that NM doesn't manage eth0. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/374006 Title: dhcp fails, but succeeds after ifdown/ifup in rc.local To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/374006/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs