[ 1013.982267][T12593] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1014.093411][T12642] netdevsim netdevsim399 eni399np1: renamed from eth0
[ 1015.964896][T12637] Could not find device with ifindex 2000 in netnsfd 11
[ 1015.965803][T12637] Could not find netns with fd: 2000
[ 1015.966422][T12637] Cannot link a netdevsim to itself
[ 1015.967229][T12637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).