[  486.754572] netdevsim netdevsim330 eni330np1: renamed from eth0
[  486.855176] netdevsim netdevsim567 eni567np1: renamed from eth1
[  487.208650] Could not find device with ifindex 2000 in netnsfd 11
[  487.208825] Could not find netns with fd: 2000
[  487.208925] Cannot link a netdevsim to itself
[  487.209048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).