[  455.359518] netdevsim netdevsim326 eni326np1: renamed from eth0
[  455.360354] netdevsim netdevsim553 eni553np1: renamed from eth1
[  455.444301] Could not find device with ifindex 2000 in netnsfd 11
[  455.444478] Could not find netns with fd: 2000
[  455.444598] Cannot link a netdevsim to itself
[  455.444745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).