[ 1232.608442][T11149] netdevsim netdevsim485 eni485np1: renamed from eth0
[ 1232.630860][T11150] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1236.057267][T11141] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.058001][T11141] Could not find netns with fd: 2000
[ 1236.058581][T11141] Cannot link a netdevsim to itself
[ 1236.059391][T11141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).