[ 1011.017341][T12080] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1011.109326][T12079] netdevsim netdevsim576 eni576np1: renamed from eth1
[ 1012.993169][T12463] Could not find device with ifindex 2000 in netnsfd 11
[ 1012.994672][T12463] Could not find netns with fd: 2000
[ 1012.995815][T12463] Cannot link a netdevsim to itself
[ 1012.998257][T12463] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).