[  719.748618][T13075] netdevsim netdevsim464 eni464np1: renamed from eth0
[  719.770552][T13077] netdevsim netdevsim638 eni638np1: renamed from eth1
[  720.442024][T13063] Could not find device with ifindex 2000 in netnsfd 11
[  720.442895][T13063] Could not find netns with fd: 2000
[  720.443329][T13063] Cannot link a netdevsim to itself
[  720.447884][T13063] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).