[ 1041.508229][T12756] netdevsim netdevsim518 eni518np1: renamed from eth1
[ 1041.607665][T12757] netdevsim netdevsim421 eni421np1: renamed from eth0
[ 1043.455732][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1043.457030][T12749] Could not find netns with fd: 2000
[ 1043.458177][T12749] Cannot link a netdevsim to itself
[ 1043.459485][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).