[  901.681860][ T9686] netdevsim netdevsim719 eni719np1: renamed from eth1
[  901.792947][ T9690] netdevsim netdevsim293 eni293np1: renamed from eth0
[  903.644351][ T9681] Could not find device with ifindex 2000 in netnsfd 11
[  903.645368][ T9681] Could not find netns with fd: 2000
[  903.646140][ T9681] Cannot link a netdevsim to itself
[  903.647165][ T9681] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).