[ 1233.877899][T11137] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1233.890647][T11136] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1237.306746][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.307497][T11129] Could not find netns with fd: 2000
[ 1237.308082][T11129] Cannot link a netdevsim to itself
[ 1237.308810][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).