[  534.683860] netdevsim netdevsim258 eni258np1: renamed from eth0
[  534.780668] netdevsim netdevsim607 eni607np1: renamed from eth1
[  534.997076] Could not find device with ifindex 2000 in netnsfd 11
[  534.997310] Could not find netns with fd: 2000
[  534.997408] Cannot link a netdevsim to itself
[  534.997546] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).