[ 1004.567450][T12125] netdevsim netdevsim416 eni416np1: renamed from eth0
[ 1004.652089][T12124] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1006.452155][T12448] Could not find device with ifindex 2000 in netnsfd 11
[ 1006.453109][T12448] Could not find netns with fd: 2000
[ 1006.453756][T12448] Cannot link a netdevsim to itself
[ 1006.454513][T12448] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).