[  490.527309] netdevsim netdevsim522 eni522np1: renamed from eth1
[  490.623341] netdevsim netdevsim318 eni318np1: renamed from eth0
[  490.831004] Could not find device with ifindex 2000 in netnsfd 11
[  490.831233] Could not find netns with fd: 2000
[  490.831308] Cannot link a netdevsim to itself
[  490.831393] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).