[  485.838638] netdevsim netdevsim355 eni355np1: renamed from eth0
[  485.839412] netdevsim netdevsim622 eni622np1: renamed from eth1
[  485.930641] Could not find device with ifindex 2000 in netnsfd 11
[  485.930779] Could not find netns with fd: 2000
[  485.930898] Cannot link a netdevsim to itself
[  485.931018] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).