[  429.562730] netdevsim netdevsim293 eni293np1: renamed from eth0
[  429.563301] netdevsim netdevsim615 eni615np1: renamed from eth1
[  429.656603] Could not find device with ifindex 2000 in netnsfd 11
[  429.656699] Could not find netns with fd: 2000
[  429.656747] Cannot link a netdevsim to itself
[  429.656804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).