[  743.175465][T14294] netdevsim netdevsim473 eni473np1: renamed from eth0
[  743.188980][T14296] netdevsim netdevsim759 eni759np1: renamed from eth1
[  743.762747][T14282] Could not find device with ifindex 2000 in netnsfd 11
[  743.763708][T14282] Could not find netns with fd: 2000
[  743.764273][T14282] Cannot link a netdevsim to itself
[  743.764786][T14282] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).