[  635.288082][ T9989] netdevsim netdevsim433 eni433np1: renamed from eth0
[  635.295974][ T9986] netdevsim netdevsim699 eni699np1: renamed from eth1
[  635.921137][ T9974] Could not find device with ifindex 2000 in netnsfd 11
[  635.921817][ T9974] Could not find netns with fd: 2000
[  635.922420][ T9974] Cannot link a netdevsim to itself
[  635.923070][ T9974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).