[ 1010.706009][T12583] netdevsim netdevsim627 eni627np1: renamed from eth1
[ 1010.803818][T12584] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1012.633572][T12576] Could not find device with ifindex 2000 in netnsfd 11
[ 1012.634760][T12576] Could not find netns with fd: 2000
[ 1012.635565][T12576] Cannot link a netdevsim to itself
[ 1012.636467][T12576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).