[  798.478145][T14653] netdevsim netdevsim373 eni373np1: renamed from eth0
[  798.499072][T14655] netdevsim netdevsim562 eni562np1: renamed from eth1
[  799.182204][T14641] Could not find device with ifindex 2000 in netnsfd 11
[  799.182829][T14641] Could not find netns with fd: 2000
[  799.183413][T14641] Cannot link a netdevsim to itself
[  799.184149][T14641] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).