[ 1229.857585][T12784] netdevsim netdevsim442 eni442np1: renamed from eth0
[ 1229.991356][T12781] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1232.484279][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.485414][T12776] Could not find netns with fd: 2000
[ 1232.486263][T12776] Cannot link a netdevsim to itself
[ 1232.487332][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).