[ 1229.893221][T11130] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1229.929104][T11132] netdevsim netdevsim294 eni294np1: renamed from eth0
[ 1233.152884][T11124] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.153597][T11124] Could not find netns with fd: 2000
[ 1233.154136][T11124] Cannot link a netdevsim to itself
[ 1233.155018][T11124] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).