pkg/csource: don't do checkpoint/reset net with setuid sandbox
pkg/csource: don't do checkpoint/reset net with setuid sandbox

Missing part of
"executor: don't checkpoint/reset net namespace with setuid sandbox"

google/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller