[  476.941214] netdevsim netdevsim419 eni419np1: renamed from eth0
[  476.941665] netdevsim netdevsim531 eni531np1: renamed from eth1
[  477.051163] Could not find device with ifindex 2000 in netnsfd 11
[  477.051307] Could not find netns with fd: 2000
[  477.051423] Cannot link a netdevsim to itself
[  477.051539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).