[ 1303.489291][T12984] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1303.543102][T12986] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1306.178535][T12973] Could not find device with ifindex 2000 in netnsfd 11
[ 1306.183271][T12973] Could not find netns with fd: 2000
[ 1306.184872][T12973] Cannot link a netdevsim to itself
[ 1306.186049][T12973] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).