[  484.027188] netdevsim netdevsim356 eni356np1: renamed from eth0
[  484.027884] netdevsim netdevsim536 eni536np1: renamed from eth1
[  484.112320] Could not find device with ifindex 2000 in netnsfd 11
[  484.112412] Could not find netns with fd: 2000
[  484.112455] Cannot link a netdevsim to itself
[  484.112502] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).