[  515.880682] netdevsim netdevsim508 eni508np1: renamed from eth0
[  515.978963] netdevsim netdevsim677 eni677np1: renamed from eth1
[  516.179575] Could not find device with ifindex 2000 in netnsfd 11
[  516.179772] Could not find netns with fd: 2000
[  516.179860] Cannot link a netdevsim to itself
[  516.179956] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).