[  727.963199][T13080] netdevsim netdevsim300 eni300np1: renamed from eth0
[  727.982471][T13079] netdevsim netdevsim549 eni549np1: renamed from eth1
[  728.606524][T13067] Could not find device with ifindex 2000 in netnsfd 11
[  728.607439][T13067] Could not find netns with fd: 2000
[  728.607977][T13067] Cannot link a netdevsim to itself
[  728.608478][T13067] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).