[  488.020715] netdevsim netdevsim259 eni259np1: renamed from eth0
[  488.118497] netdevsim netdevsim724 eni724np1: renamed from eth1
[  488.351711] Could not find device with ifindex 2000 in netnsfd 11
[  488.351914] Could not find netns with fd: 2000
[  488.352002] Cannot link a netdevsim to itself
[  488.352106] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).