[  519.468470] netdevsim netdevsim349 eni349np1: renamed from eth0
[  519.566954] netdevsim netdevsim535 eni535np1: renamed from eth1
[  519.766839] Could not find device with ifindex 2000 in netnsfd 11
[  519.767061] Could not find netns with fd: 2000
[  519.767158] Cannot link a netdevsim to itself
[  519.767282] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).