[ 1012.563911][T12128] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1012.675642][T12127] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1014.500245][T12548] Could not find device with ifindex 2000 in netnsfd 11
[ 1014.501238][T12548] Could not find netns with fd: 2000
[ 1014.501992][T12548] Cannot link a netdevsim to itself
[ 1014.502809][T12548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).