strange error in latest re(4) update

[Aryeh M. Friedman]

on -current (AMD64):

This is after some uptime and moderate load

flosoft# ping 192.168.2.1
PING 192.168.2.1 (192.168.2.1): 56 data bytes
ping: sendto: No buffer space available

Hardware (MSI Neo-F Mobo):

re0: <RealTek 8168/8111B PCIe Gigabit Ethernet> port 0xe800-0xe8ff mem 
0xfebff000-0xfebfffff irq 17 at device 0.0 on pci4
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
re0: Ethernet address: 00:19:db:b5:f8:0f
re0: [FILTER]