[ 1380.565929][T12857] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1380.603147][T12855] netdevsim netdevsim616 eni616np1: renamed from eth1
[ 1383.272256][T12844] Could not find device with ifindex 2000 in netnsfd 11
[ 1383.275205][T12844] Could not find netns with fd: 2000
[ 1383.276412][T12844] Cannot link a netdevsim to itself
[ 1383.277836][T12844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).