[  619.087731][ T9987] netdevsim netdevsim340 eni340np1: renamed from eth0
[  619.093272][ T9986] netdevsim netdevsim613 eni613np1: renamed from eth1
[  619.681707][ T9974] Could not find device with ifindex 2000 in netnsfd 11
[  619.682358][ T9974] Could not find netns with fd: 2000
[  619.682870][ T9974] Cannot link a netdevsim to itself
[  619.683712][ T9974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).