[ 1002.921469][T12763] netdevsim netdevsim557 eni557np1: renamed from eth1
[ 1003.031749][T12764] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1004.876666][T12756] Could not find device with ifindex 2000 in netnsfd 11
[ 1004.877846][T12756] Could not find netns with fd: 2000
[ 1004.878815][T12756] Cannot link a netdevsim to itself
[ 1004.879750][T12756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).