[  808.308202][T14773] netdevsim netdevsim439 eni439np1: renamed from eth0
[  808.326626][T14775] netdevsim netdevsim558 eni558np1: renamed from eth1
[  809.091088][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  809.091903][T14761] Could not find netns with fd: 2000
[  809.092518][T14761] Cannot link a netdevsim to itself
[  809.093225][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).