LND does not start anymore after upgrading Knots with BIP110 to #knotsrdts:29.3:6

Please help, my channels are now unprotected, and the rollback to previous version #knotsrdts:29.3:5 fails.

LND is on 0.20.1-beta:4, and StartOS is on 0.4.0 Beta 7

The error I get since the upgrade of Knots:

026-05-02T13:26:45+02:00  Run with RUST_BACKTRACE=full to include source snippets.

2026-05-02T13:26:46+02:00  Health Check sync-progress failed: Error: Filesystem I/O Error: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2): No such file or directory (os error 2)
2026-05-02T13:26:46+02:00  2026-05-02T11:26:46.935979Z DEBUG startos::bins::container_cli: src/bins/container_cli.rs:31:
2026-05-02T13:26:46+02:00   0: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2)
2026-05-02T13:26:46+02:00   1: No such file or directory (os error 2)
2026-05-02T13:26:46+02:00  Location:
2026-05-02T13:26:46+02:00   src/error.rs:622
2026-05-02T13:26:46+02:00  Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
2026-05-02T13:26:46+02:00  Run with RUST_BACKTRACE=full to include source snippets.

2026-05-02T13:26:47+02:00  Health Check sync-progress failed: Error: Filesystem I/O Error: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2): No such file or directory (os error 2)
2026-05-02T13:26:47+02:00  2026-05-02T11:26:47.958711Z DEBUG startos::bins::container_cli: src/bins/container_cli.rs:31:
2026-05-02T13:26:47+02:00   0: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2)
2026-05-02T13:26:47+02:00   1: No such file or directory (os error 2)
2026-05-02T13:26:47+02:00  Location:
2026-05-02T13:26:47+02:00   src/error.rs:622
2026-05-02T13:26:47+02:00  Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
2026-05-02T13:26:47+02:00  Run with RUST_BACKTRACE=full to include source snippets.

2026-05-02T13:26:48+02:00  Health Check sync-progress failed: Error: Filesystem I/O Error: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2): No such file or directory (os error 2)
2026-05-02T13:26:48+02:00  2026-05-02T11:26:48.978859Z DEBUG startos::bins::container_cli: src/bins/container_cli.rs:31:
2026-05-02T13:26:48+02:00   0: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2)
2026-05-02T13:26:48+02:00   1: No such file or directory (os error 2)
2026-05-02T13:26:48+02:00  Location:
2026-05-02T13:26:48+02:00   src/error.rs:622
2026-05-02T13:26:48+02:00  Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
2026-05-02T13:26:48+02:00  Run with RUST_BACKTRACE=full to include source snippets.

2026-05-02T13:26:49+02:00  Health Check sync-progress failed: Error: Filesystem I/O Error: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2): No such file or directory (os error 2)
2026-05-02T13:26:49+02:00  2026-05-02T11:26:49.994717Z DEBUG startos::bins::container_cli: src/bins/container_cli.rs:31:
2026-05-02T13:26:49+02:00   0: open r /media/startos/subcontainers/6UBQQCGRW72EO2D27WD3LHGHZFYOJBKL/proc/1/ns/pid: No such file or directory (os error 2)
2026-05-02T13:26:49+02:00   1: No such file or directory (os error 2)
2026-05-02T13:26:49+02:00  Location:

Now suddenly LND is starting again. Only thing I did was taking a backup…