[  859.798890][T16118] netdevsim netdevsim310 eni310np1: renamed from eth0
[  859.831242][T16121] netdevsim netdevsim697 eni697np1: renamed from eth1
[  860.680307][T16106] Could not find device with ifindex 2000 in netnsfd 11
[  860.681628][T16106] Could not find netns with fd: 2000
[  860.682125][T16106] Cannot link a netdevsim to itself
[  860.682671][T16106] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).