[  722.434059][T13072] netdevsim netdevsim487 eni487np1: renamed from eth0
[  722.450700][T13074] netdevsim netdevsim718 eni718np1: renamed from eth1
[  723.082424][T13060] Could not find device with ifindex 2000 in netnsfd 11
[  723.083238][T13060] Could not find netns with fd: 2000
[  723.083630][T13060] Cannot link a netdevsim to itself
[  723.084186][T13060] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).