[  481.984678] netdevsim netdevsim327 eni327np1: renamed from eth0
[  482.085294] netdevsim netdevsim556 eni556np1: renamed from eth1
[  482.415715] Could not find device with ifindex 2000 in netnsfd 11
[  482.415860] Could not find netns with fd: 2000
[  482.415931] Cannot link a netdevsim to itself
[  482.416017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).