quoted

print fmt: "skbaddr=%p skaddr=%p family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c state=%s err=%d"

Suggested-by: KuniyukiIwashima <kuniyu@google.com>

I don't deserve this tag.  (Also, a space between first/last name is missing.)

Suggested-by can be used when the core idea is provided by someone,
but not when someone just reviews the patch and points out something
wrong.

But code-wise, the change looks good to me.

Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>

Hi Kuniyuki,

Thank you for your thorough review and guidance - it's greatly appreciated.
I'll submit v7 with corrected tags :).