[ 1230.615932][T12775] netdevsim netdevsim450 eni450np1: renamed from eth0
[ 1230.757487][T12772] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1233.301913][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.303908][T12767] Could not find netns with fd: 2000
[ 1233.305473][T12767] Cannot link a netdevsim to itself
[ 1233.307299][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).