[ 1230.660019][T11253] netdevsim netdevsim414 eni414np1: renamed from eth0
[ 1230.690561][T11252] netdevsim netdevsim547 eni547np1: renamed from eth1
[ 1233.819237][T11245] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.820014][T11245] Could not find netns with fd: 2000
[ 1233.820652][T11245] Cannot link a netdevsim to itself
[ 1233.827163][T11245] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).