[  485.521031] netdevsim netdevsim735 eni735np1: renamed from eth1
[  485.621217] netdevsim netdevsim463 eni463np1: renamed from eth0
[  485.966499] Could not find device with ifindex 2000 in netnsfd 11
[  485.966671] Could not find netns with fd: 2000
[  485.966761] Cannot link a netdevsim to itself
[  485.966858] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).