[  476.883211] netdevsim netdevsim401 eni401np1: renamed from eth0
[  476.883652] netdevsim netdevsim749 eni749np1: renamed from eth1
[  476.975085] Could not find device with ifindex 2000 in netnsfd 11
[  476.975222] Could not find netns with fd: 2000
[  476.975325] Cannot link a netdevsim to itself
[  476.975440] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).