[  888.827818][ T9687] netdevsim netdevsim611 eni611np1: renamed from eth1
[  888.836316][ T9692] netdevsim netdevsim259 eni259np1: renamed from eth0
[  890.813653][ T9682] Could not find device with ifindex 2000 in netnsfd 11
[  890.814781][ T9682] Could not find netns with fd: 2000
[  890.815518][ T9682] Cannot link a netdevsim to itself
[  890.816371][ T9682] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).