[  714.592597][T13074] netdevsim netdevsim508 eni508np1: renamed from eth0
[  714.607776][T13076] netdevsim netdevsim627 eni627np1: renamed from eth1
[  715.275554][T13062] Could not find device with ifindex 2000 in netnsfd 11
[  715.276422][T13062] Could not find netns with fd: 2000
[  715.276801][T13062] Cannot link a netdevsim to itself
[  715.277373][T13062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).