[  487.835589] netdevsim netdevsim736 eni736np1: renamed from eth1
[  487.936348] netdevsim netdevsim286 eni286np1: renamed from eth0
[  488.250946] Could not find device with ifindex 2000 in netnsfd 11
[  488.251086] Could not find netns with fd: 2000
[  488.251154] Cannot link a netdevsim to itself
[  488.251236] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).