if_percpuq_softint/pool_sysctl panics on ure0

[David Brownlee <abs%absd.org@localhost>]

I've started using a USB C hub with built in Ethernet and am seeing
panics under network load from its ure on current (9.99.70 from
mkrepro)

Same system works without issue on built in wm0

ure0: discarding oversize frame (len=1757)
ure0: discarding oversize frame (len=8136)
panic: pool_redzone_check: [mclpl] 0x3c != 0xb0
cpu0: Begin traceback...
vpanic() at netbsd:vpanic+0x152
snprintf() at netbsd:snprintf
pool_sysctl() at netbsd:pool_sysctl
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x33
m_ext_free() at netbsd:m_ext_free+0xed
m_free() at netbsd:m_free+0x76
m_freem.part.7() at netbsd:m_freem.part.7+0xe
ether_input() at netbsd:ether_input+0x3cb
if_percpuq_softint() at netbsd:if_percpuq_softint+0x90
softint_dispatch() at netbsd:softint_dispatch+0x108
DDB lost frame for netbsd:Xsoftintr+0x4f, trying 0xffffa80255c840f0
Xsoftintr() at netbsd:Xsoftintr+0x4f
--- interrupt ---
56e7da84c242f3ce:
cpu0: End traceback...

xhci0 at pci0 dev 20 function 0: Intel 100 Series xHCI (rev. 0x21)
xhci0: interrupting at msi0 vec 0
xhci0: xHCI version 1.0
usb0 at xhci0: USB revision 3.0
uhub0 at usb0: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev
3.00/1.00, addr 0
uhub0: 6 ports with 6 removable, self powered
uhub3 at uhub0 port 4: VIA Labs, Inc. (0x17ef) USB3.0 Hub (0x3072),
class 9/0, rev 3.10/50.13, addr 5
uhub3: 4 ports with 2 removable, self powered
ure0 at uhub3 port 4
ure0: Realtek (0x0bda) USB 10/100/1000 LAN (0x8153), rev 3.00/30.00, addr 7
ure0: RTL8153 ver 5c30
rgephy0 at ure0 phy 0: RTL8251 1000BASE-T media interface, rev. 0
ure0: Ethernet address 34:29:8f:7x:xx:xx