[  485.664926] netdevsim netdevsim312 eni312np1: renamed from eth0
[  485.665546] netdevsim netdevsim572 eni572np1: renamed from eth1
[  485.748052] Could not find device with ifindex 2000 in netnsfd 11
[  485.748171] Could not find netns with fd: 2000
[  485.748266] Cannot link a netdevsim to itself
[  485.748380] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).