[  474.552071] netdevsim netdevsim487 eni487np1: renamed from eth0
[  474.552864] netdevsim netdevsim537 eni537np1: renamed from eth1
[  474.638336] Could not find device with ifindex 2000 in netnsfd 11
[  474.638418] Could not find netns with fd: 2000
[  474.638462] Cannot link a netdevsim to itself
[  474.638516] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).