[  551.788576] netdevsim netdevsim738 eni738np1: renamed from eth1
[  551.887038] netdevsim netdevsim343 eni343np1: renamed from eth0
[  552.094864] Could not find device with ifindex 2000 in netnsfd 11
[  552.095106] Could not find netns with fd: 2000
[  552.095214] Cannot link a netdevsim to itself
[  552.095332] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).