[  510.203627] netdevsim netdevsim336 eni336np1: renamed from eth0
[  510.301264] netdevsim netdevsim624 eni624np1: renamed from eth1
[  510.514913] Could not find device with ifindex 2000 in netnsfd 11
[  510.515072] Could not find netns with fd: 2000
[  510.515142] Cannot link a netdevsim to itself
[  510.515228] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).