[  697.846201][T13035] netdevsim netdevsim391 eni391np1: renamed from eth0
[  697.870338][T13037] netdevsim netdevsim720 eni720np1: renamed from eth1
[  698.489193][T13023] Could not find device with ifindex 2000 in netnsfd 11
[  698.490088][T13023] Could not find netns with fd: 2000
[  698.490487][T13023] Cannot link a netdevsim to itself
[  698.490970][T13023] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).