[  487.095564] netdevsim netdevsim412 eni412np1: renamed from eth0
[  487.192333] netdevsim netdevsim541 eni541np1: renamed from eth1
[  487.403232] Could not find device with ifindex 2000 in netnsfd 11
[  487.403556] Could not find netns with fd: 2000
[  487.403658] Cannot link a netdevsim to itself
[  487.403770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).