[  510.350726] netdevsim netdevsim291 eni291np1: renamed from eth0
[  510.448196] netdevsim netdevsim714 eni714np1: renamed from eth1
[  510.680631] Could not find device with ifindex 2000 in netnsfd 11
[  510.680854] Could not find netns with fd: 2000
[  510.680951] Cannot link a netdevsim to itself
[  510.681079] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).