[  484.282463] netdevsim netdevsim529 eni529np1: renamed from eth1
[  484.378545] netdevsim netdevsim491 eni491np1: renamed from eth0
[  484.591211] Could not find device with ifindex 2000 in netnsfd 11
[  484.591493] Could not find netns with fd: 2000
[  484.591580] Cannot link a netdevsim to itself
[  484.591689] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).