[  515.125208] netdevsim netdevsim427 eni427np1: renamed from eth0
[  515.223407] netdevsim netdevsim543 eni543np1: renamed from eth1
[  515.457600] Could not find device with ifindex 2000 in netnsfd 11
[  515.457782] Could not find netns with fd: 2000
[  515.457863] Cannot link a netdevsim to itself
[  515.457967] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).