[  520.198244] netdevsim netdevsim284 eni284np1: renamed from eth0
[  520.295723] netdevsim netdevsim670 eni670np1: renamed from eth1
[  520.578077] Could not find device with ifindex 2000 in netnsfd 11
[  520.578290] Could not find netns with fd: 2000
[  520.578390] Cannot link a netdevsim to itself
[  520.578545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).