[ 1223.466448][T11144] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1223.482098][T11142] netdevsim netdevsim549 eni549np1: renamed from eth1
[ 1226.834881][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.835583][T11136] Could not find netns with fd: 2000
[ 1226.836143][T11136] Cannot link a netdevsim to itself
[ 1226.836812][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).