[  780.509706][T14741] netdevsim netdevsim460 eni460np1: renamed from eth0
[  780.530486][T14743] netdevsim netdevsim757 eni757np1: renamed from eth1
[  781.101827][T14729] Could not find device with ifindex 2000 in netnsfd 11
[  781.102418][T14729] Could not find netns with fd: 2000
[  781.102775][T14729] Cannot link a netdevsim to itself
[  781.103213][T14729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).