[  798.872102][T14579] netdevsim netdevsim649 eni649np1: renamed from eth1
[  798.877142][T14577] netdevsim netdevsim479 eni479np1: renamed from eth0
[  799.553613][T14565] Could not find device with ifindex 2000 in netnsfd 11
[  799.554548][T14565] Could not find netns with fd: 2000
[  799.555272][T14565] Cannot link a netdevsim to itself
[  799.556136][T14565] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).