[  485.850022] netdevsim netdevsim334 eni334np1: renamed from eth0
[  485.852450] netdevsim netdevsim597 eni597np1: renamed from eth1
[  485.945631] Could not find device with ifindex 2000 in netnsfd 11
[  485.945726] Could not find netns with fd: 2000
[  485.945760] Cannot link a netdevsim to itself
[  485.945800] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).