[ 1408.805327][T12510] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1408.917357][T12508] netdevsim netdevsim599 eni599np1: renamed from eth1
[ 1412.669164][T12502] Could not find device with ifindex 2000 in netnsfd 11
[ 1412.670066][T12502] Could not find netns with fd: 2000
[ 1412.670668][T12502] Cannot link a netdevsim to itself
[ 1412.671747][T12502] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).