[  489.284576] netdevsim netdevsim544 eni544np1: renamed from eth1
[  489.385936] netdevsim netdevsim418 eni418np1: renamed from eth0
[  489.726074] Could not find device with ifindex 2000 in netnsfd 11
[  489.726221] Could not find netns with fd: 2000
[  489.726304] Cannot link a netdevsim to itself
[  489.726388] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).