[  510.170041] netdevsim netdevsim651 eni651np1: renamed from eth1
[  510.267864] netdevsim netdevsim280 eni280np1: renamed from eth0
[  510.453886] Could not find device with ifindex 2000 in netnsfd 11
[  510.454051] Could not find netns with fd: 2000
[  510.454121] Cannot link a netdevsim to itself
[  510.454207] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).