[  472.790583] netdevsim netdevsim279 eni279np1: renamed from eth0
[  472.791754] netdevsim netdevsim680 eni680np1: renamed from eth0
[  472.880114] Could not find device with ifindex 2000 in netnsfd 11
[  472.880244] Could not find netns with fd: 2000
[  472.880346] Cannot link a netdevsim to itself
[  472.880469] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).