[ 1071.790873][T12585] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1071.891695][T12586] netdevsim netdevsim385 eni385np1: renamed from eth0
[ 1073.834528][T12578] Could not find device with ifindex 2000 in netnsfd 11
[ 1073.836134][T12578] Could not find netns with fd: 2000
[ 1073.837197][T12578] Cannot link a netdevsim to itself
[ 1073.838512][T12578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).