[ 1246.353787][T12900] netdevsim netdevsim743 eni743np1: renamed from eth1
[ 1246.458369][T12903] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1248.967313][T12895] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.968560][T12895] Could not find netns with fd: 2000
[ 1248.969597][T12895] Cannot link a netdevsim to itself
[ 1248.970876][T12895] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).