[  524.577028] netdevsim netdevsim599 eni599np1: renamed from eth1
[  524.675011] netdevsim netdevsim260 eni260np1: renamed from eth0
[  524.909803] Could not find device with ifindex 2000 in netnsfd 11
[  524.910011] Could not find netns with fd: 2000
[  524.910096] Cannot link a netdevsim to itself
[  524.910192] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).