[ 1229.912040][T12511] netdevsim netdevsim658 eni658np1: renamed from eth1
[ 1230.007351][T12512] netdevsim netdevsim444 eni444np1: renamed from eth0
[ 1232.698617][T12500] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.699849][T12500] Could not find netns with fd: 2000
[ 1232.700726][T12500] Cannot link a netdevsim to itself
[ 1232.701845][T12500] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).