[  521.826906] netdevsim netdevsim556 eni556np1: renamed from eth1
[  521.923604] netdevsim netdevsim332 eni332np1: renamed from eth0
[  522.175812] Could not find device with ifindex 2000 in netnsfd 11
[  522.176057] Could not find netns with fd: 2000
[  522.176199] Cannot link a netdevsim to itself
[  522.176342] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).