[  459.396266] netdevsim netdevsim372 eni372np1: renamed from eth0
[  459.398506] netdevsim netdevsim631 eni631np1: renamed from eth1
[  459.481386] Could not find device with ifindex 2000 in netnsfd 11
[  459.481533] Could not find netns with fd: 2000
[  459.481634] Cannot link a netdevsim to itself
[  459.481752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).