[ 1224.231903][T12780] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1224.348926][T12781] netdevsim netdevsim426 eni426np1: renamed from eth0
[ 1226.794180][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.795293][T12774] Could not find netns with fd: 2000
[ 1226.796120][T12774] Cannot link a netdevsim to itself
[ 1226.797237][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).