[  473.766979] netdevsim netdevsim395 eni395np1: renamed from eth0
[  473.767457] netdevsim netdevsim607 eni607np1: renamed from eth1
[  473.842563] Could not find device with ifindex 2000 in netnsfd 11
[  473.842687] Could not find netns with fd: 2000
[  473.842805] Cannot link a netdevsim to itself
[  473.842924] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).