[  833.461676][T14579] netdevsim netdevsim291 eni291np1: renamed from eth0
[  833.487935][T14582] netdevsim netdevsim587 eni587np1: renamed from eth1
[  834.185788][T14567] Could not find device with ifindex 2000 in netnsfd 11
[  834.186664][T14567] Could not find netns with fd: 2000
[  834.187045][T14567] Cannot link a netdevsim to itself
[  834.187488][T14567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).