[  478.582471] netdevsim netdevsim435 eni435np1: renamed from eth0
[  478.582938] netdevsim netdevsim726 eni726np1: renamed from eth1
[  478.685139] Could not find device with ifindex 2000 in netnsfd 11
[  478.685306] Could not find netns with fd: 2000
[  478.685413] Cannot link a netdevsim to itself
[  478.685527] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).