[  478.088726] netdevsim netdevsim395 eni395np1: renamed from eth0
[  478.091189] netdevsim netdevsim732 eni732np1: renamed from eth1
[  478.179396] Could not find device with ifindex 2000 in netnsfd 11
[  478.179502] Could not find netns with fd: 2000
[  478.179553] Cannot link a netdevsim to itself
[  478.179617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).