[ 1243.932860][T11147] netdevsim netdevsim754 eni754np1: renamed from eth1
[ 1243.973334][T11149] netdevsim netdevsim320 eni320np1: renamed from eth0
[ 1247.289732][T11141] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.290608][T11141] Could not find netns with fd: 2000
[ 1247.291198][T11141] Cannot link a netdevsim to itself
[ 1247.291979][T11141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).