[  459.805882] netdevsim netdevsim378 eni378np1: renamed from eth0
[  459.808127] netdevsim netdevsim739 eni739np1: renamed from eth1
[  459.894182] Could not find device with ifindex 2000 in netnsfd 11
[  459.894281] Could not find netns with fd: 2000
[  459.894332] Cannot link a netdevsim to itself
[  459.894387] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).