[ 1208.928360][T12783] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1209.026190][T12780] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1211.632330][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1211.633514][T12775] Could not find netns with fd: 2000
[ 1211.634366][T12775] Cannot link a netdevsim to itself
[ 1211.635422][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).