[ 1229.034576][T11132] netdevsim netdevsim757 eni757np1: renamed from eth1
[ 1229.139923][T11134] netdevsim netdevsim452 eni452np1: renamed from eth0
[ 1232.274850][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.275623][T11126] Could not find netns with fd: 2000
[ 1232.276222][T11126] Cannot link a netdevsim to itself
[ 1232.277191][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).