[ 1249.712282][T12792] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1249.718101][T12790] netdevsim netdevsim622 eni622np1: renamed from eth1
[ 1252.412567][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.413792][T12780] Could not find netns with fd: 2000
[ 1252.414655][T12780] Cannot link a netdevsim to itself
[ 1252.415709][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).