refactor device interface and add cmds: `ptable`, `bridge`, `devices` #1336

All 6 745 tests pass, 715 skipped in 37m 53s

7 460 tests ±0 6 745 ✅ ±0 37m 53s ⏱️ - 1m 26s
420 suites ±0 715 💤 ±0
1 files ±0 0 ❌ ±0

Results for commit 1bb0aae. ± Comparison against earlier commit ee57392.