[  768.674164][T14748] netdevsim netdevsim310 eni310np1: renamed from eth0
[  768.693586][T14750] netdevsim netdevsim551 eni551np1: renamed from eth1
[  769.255294][T14736] Could not find device with ifindex 2000 in netnsfd 11
[  769.255803][T14736] Could not find netns with fd: 2000
[  769.256183][T14736] Cannot link a netdevsim to itself
[  769.256621][T14736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).