[ 1208.827052][T11127] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1208.927964][T11129] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1212.318217][T11121] Could not find device with ifindex 2000 in netnsfd 11
[ 1212.319014][T11121] Could not find netns with fd: 2000
[ 1212.319615][T11121] Cannot link a netdevsim to itself
[ 1212.320336][T11121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).