[  751.186185][T14577] netdevsim netdevsim402 eni402np1: renamed from eth0
[  751.194094][T14579] netdevsim netdevsim722 eni722np1: renamed from eth1
[  751.732194][T14565] Could not find device with ifindex 2000 in netnsfd 11
[  751.732686][T14565] Could not find netns with fd: 2000
[  751.733242][T14565] Cannot link a netdevsim to itself
[  751.733752][T14565] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).