[ 1218.232910][T11137] netdevsim netdevsim748 eni748np1: renamed from eth1
[ 1218.251610][T11138] netdevsim netdevsim443 eni443np1: renamed from eth0
[ 1221.603699][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.604727][T11130] Could not find netns with fd: 2000
[ 1221.605595][T11130] Cannot link a netdevsim to itself
[ 1221.606870][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).