[  474.999303] netdevsim netdevsim460 eni460np1: renamed from eth0
[  474.999993] netdevsim netdevsim740 eni740np1: renamed from eth1
[  475.095105] Could not find device with ifindex 2000 in netnsfd 11
[  475.095205] Could not find netns with fd: 2000
[  475.095258] Cannot link a netdevsim to itself
[  475.095322] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).