[  522.449574] netdevsim netdevsim591 eni591np1: renamed from eth1
[  522.546600] netdevsim netdevsim282 eni282np1: renamed from eth0
[  522.787208] Could not find device with ifindex 2000 in netnsfd 11
[  522.787417] Could not find netns with fd: 2000
[  522.787521] Cannot link a netdevsim to itself
[  522.787697] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).