runonce: make a test more robust for slow devices
Two versions introduced now. Pre 1.8 with ip link up eth0 to up device slightly earlier to give NM more time and 1.10+ using NM's new wait-for-carrier=10000 option.
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Two versions introduced now. Pre 1.8 with ip link up eth0 to up device slightly earlier to give NM more time and 1.10+ using NM's new wait-for-carrier=10000 option.