[ 1230.907726][T11307] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1230.929861][T11308] netdevsim netdevsim658 eni658np1: renamed from eth1
[ 1234.078873][T11301] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.079538][T11301] Could not find netns with fd: 2000
[ 1234.080113][T11301] Cannot link a netdevsim to itself
[ 1234.080766][T11301] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).