[  485.160665] netdevsim netdevsim322 eni322np1: renamed from eth0
[  485.260710] netdevsim netdevsim550 eni550np1: renamed from eth1
[  485.625141] Could not find device with ifindex 2000 in netnsfd 11
[  485.625316] Could not find netns with fd: 2000
[  485.625410] Cannot link a netdevsim to itself
[  485.625556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).