[ 1210.699913][T11132] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1210.718596][T11133] netdevsim netdevsim355 eni355np1: renamed from eth0
[ 1214.029502][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1214.030268][T11125] Could not find netns with fd: 2000
[ 1214.030881][T11125] Cannot link a netdevsim to itself
[ 1214.031679][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).