[ 1039.248253][T12756] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1039.359582][T12757] netdevsim netdevsim364 eni364np1: renamed from eth0
[ 1041.110681][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.111570][T12749] Could not find netns with fd: 2000
[ 1041.112180][T12749] Cannot link a netdevsim to itself
[ 1041.112927][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).