[ 1378.901880][T13018] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1378.931722][T13022] netdevsim netdevsim612 eni612np1: renamed from eth1
[ 1381.674501][T13008] Could not find device with ifindex 2000 in netnsfd 11
[ 1381.678186][T13008] Could not find netns with fd: 2000
[ 1381.679687][T13008] Cannot link a netdevsim to itself
[ 1381.696807][T13008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).