[ 1221.495659][T12788] netdevsim netdevsim443 eni443np1: renamed from eth0
[ 1221.615176][T12785] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1224.135752][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.136952][T12780] Could not find netns with fd: 2000
[ 1224.138018][T12780] Cannot link a netdevsim to itself
[ 1224.139084][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).