[ 1212.766174][T11139] netdevsim netdevsim630 eni630np1: renamed from eth1 [ 1212.810346][T11141] netdevsim netdevsim426 eni426np1: renamed from eth0 [ 1216.358557][T11133] Could not find device with ifindex 2000 in netnsfd 11 [ 1216.359347][T11133] Could not find netns with fd: 2000 [ 1216.359941][T11133] Cannot link a netdevsim to itself [ 1216.360651][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).