[  818.361795][T15801] netdevsim netdevsim497 eni497np1: renamed from eth0
[  818.377559][T15799] netdevsim netdevsim533 eni533np1: renamed from eth1
[  818.991138][T15788] Could not find device with ifindex 2000 in netnsfd 11
[  818.992355][T15788] Could not find netns with fd: 2000
[  818.993298][T15788] Cannot link a netdevsim to itself
[  818.994229][T15788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).