[  617.192917][ T9932] netdevsim netdevsim314 eni314np1: renamed from eth0
[  617.198917][ T9931] netdevsim netdevsim726 eni726np1: renamed from eth1
[  617.956636][ T9920] Could not find device with ifindex 2000 in netnsfd 11
[  617.957534][ T9920] Could not find netns with fd: 2000
[  617.958038][ T9920] Cannot link a netdevsim to itself
[  617.958554][ T9920] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).