[ 1048.240658][T12479] netdevsim netdevsim729 eni729np1: renamed from eth1
[ 1048.377701][T12481] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1050.485892][T12473] Could not find device with ifindex 2000 in netnsfd 11
[ 1050.487180][T12473] Could not find netns with fd: 2000
[ 1050.487894][T12473] Cannot link a netdevsim to itself
[ 1050.488702][T12473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).