[ 1039.789924][T12757] netdevsim netdevsim268 eni268np1: renamed from eth0
[ 1039.917297][T12758] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1041.755423][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.756622][T12749] Could not find netns with fd: 2000
[ 1041.757399][T12749] Cannot link a netdevsim to itself
[ 1041.758487][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).