[  473.031878] netdevsim netdevsim283 eni283np1: renamed from eth0
[  473.034539] netdevsim netdevsim719 eni719np1: renamed from eth1
[  473.115403] Could not find device with ifindex 2000 in netnsfd 11
[  473.115540] Could not find netns with fd: 2000
[  473.115650] Cannot link a netdevsim to itself
[  473.115765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).