[ 1312.065246][T12794] netdevsim netdevsim511 eni511np1: renamed from eth0
[ 1312.075813][T12795] netdevsim netdevsim593 eni593np1: renamed from eth1
[ 1314.727712][T12781] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.728925][T12781] Could not find netns with fd: 2000
[ 1314.729872][T12781] Cannot link a netdevsim to itself
[ 1314.731028][T12781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).