[  510.362132] netdevsim netdevsim259 eni259np1: renamed from eth0
[  510.459721] netdevsim netdevsim513 eni513np1: renamed from eth1
[  510.661092] Could not find device with ifindex 2000 in netnsfd 11
[  510.661263] Could not find netns with fd: 2000
[  510.661338] Cannot link a netdevsim to itself
[  510.661425] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).