[  510.583287] netdevsim netdevsim698 eni698np1: renamed from eth1
[  510.680603] netdevsim netdevsim508 eni508np1: renamed from eth0
[  510.910053] Could not find device with ifindex 2000 in netnsfd 11
[  510.910292] Could not find netns with fd: 2000
[  510.910391] Cannot link a netdevsim to itself
[  510.910516] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).