[ 1022.408797][T12126] netdevsim netdevsim493 eni493np1: renamed from eth0
[ 1022.416275][T12124] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1024.213845][T12546] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.214915][T12546] Could not find netns with fd: 2000
[ 1024.215644][T12546] Cannot link a netdevsim to itself
[ 1024.216447][T12546] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).