[ 1268.716298][T12847] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1268.782458][T12849] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1271.376843][T12836] Could not find device with ifindex 2000 in netnsfd 11
[ 1271.378446][T12836] Could not find netns with fd: 2000
[ 1271.379572][T12836] Cannot link a netdevsim to itself
[ 1271.389294][T12836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).