[  488.094495] netdevsim netdevsim289 eni289np1: renamed from eth0
[  488.190313] netdevsim netdevsim667 eni667np1: renamed from eth1
[  488.450036] Could not find device with ifindex 2000 in netnsfd 11
[  488.450327] Could not find netns with fd: 2000
[  488.450426] Cannot link a netdevsim to itself
[  488.450541] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).