[  426.843181] netdevsim netdevsim276 eni276np1: renamed from eth0
[  426.944565] netdevsim netdevsim664 eni664np1: renamed from eth1
[  427.328055] Could not find device with ifindex 2000 in netnsfd 11
[  427.328182] Could not find netns with fd: 2000
[  427.328247] Cannot link a netdevsim to itself
[  427.328325] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).