[ 1224.900337][T11138] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1224.923624][T11140] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1228.301850][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.302622][T11132] Could not find netns with fd: 2000
[ 1228.303192][T11132] Cannot link a netdevsim to itself
[ 1228.303867][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).