[ 1244.025234][T12964] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1244.034556][T12963] netdevsim netdevsim408 eni408np1: renamed from eth0
[ 1246.532623][T12950] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.533692][T12950] Could not find netns with fd: 2000
[ 1246.534540][T12950] Cannot link a netdevsim to itself
[ 1246.535676][T12950] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).