[  510.300387] netdevsim netdevsim424 eni424np1: renamed from eth0
[  510.398333] netdevsim netdevsim749 eni749np1: renamed from eth1
[  510.615195] Could not find device with ifindex 2000 in netnsfd 11
[  510.615398] Could not find netns with fd: 2000
[  510.615495] Cannot link a netdevsim to itself
[  510.615623] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).