[ 1232.145643][T12788] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1232.297351][T12790] netdevsim netdevsim269 eni269np1: renamed from eth0
[ 1235.001584][T12782] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.003457][T12782] Could not find netns with fd: 2000
[ 1235.004436][T12782] Cannot link a netdevsim to itself
[ 1235.005714][T12782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).