[  888.410227][ T9682] netdevsim netdevsim728 eni728np1: renamed from eth1
[  888.426877][ T9686] netdevsim netdevsim271 eni271np1: renamed from eth0
[  890.335696][ T9676] Could not find device with ifindex 2000 in netnsfd 11
[  890.336727][ T9676] Could not find netns with fd: 2000
[  890.337479][ T9676] Cannot link a netdevsim to itself
[  890.338285][ T9676] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).