[  811.124079][T15794] netdevsim netdevsim457 eni457np1: renamed from eth0
[  811.141132][T15796] netdevsim netdevsim695 eni695np1: renamed from eth1
[  811.763419][T15782] Could not find device with ifindex 2000 in netnsfd 11
[  811.764512][T15782] Could not find netns with fd: 2000
[  811.765092][T15782] Cannot link a netdevsim to itself
[  811.765612][T15782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).