[ 1044.458116][T12732] netdevsim netdevsim450 eni450np1: renamed from eth0
[ 1044.556862][T12681] netdevsim netdevsim641 eni641np1: renamed from eth1
[ 1046.516909][T12726] Could not find device with ifindex 2000 in netnsfd 11
[ 1046.517896][T12726] Could not find netns with fd: 2000
[ 1046.518643][T12726] Cannot link a netdevsim to itself
[ 1046.519427][T12726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).