[ 1009.294382][T12681] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1009.400372][T12730] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1011.155687][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.157125][T12725] Could not find netns with fd: 2000
[ 1011.158165][T12725] Cannot link a netdevsim to itself
[ 1011.159358][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).