[ 1270.079671][T12957] netdevsim netdevsim335 eni335np1: renamed from eth0
[ 1270.123064][T12956] netdevsim netdevsim548 eni548np1: renamed from eth1
[ 1273.019859][T12945] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.021172][T12945] Could not find netns with fd: 2000
[ 1273.022130][T12945] Cannot link a netdevsim to itself
[ 1273.023277][T12945] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).