[  455.627944] netdevsim netdevsim527 eni527np1: renamed from eth1
[  455.628222] netdevsim netdevsim343 eni343np1: renamed from eth0
[  455.705775] Could not find device with ifindex 2000 in netnsfd 11
[  455.705880] Could not find netns with fd: 2000
[  455.705924] Cannot link a netdevsim to itself
[  455.705975] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).