Is this a bug or a feature?
Why is the default MTU on Orin set to 1466?
Why do I need to do some weird stuff to set it to 1500?
root@orin:~# ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1466
inet 192.168.5.95 netmask 255.255.255.0 broadcast 192.168.5.255
inet6 fe80::4ab0:2dff:fe69:4126 prefixlen 64 scopeid 0x20<link>
ether 48:b0:2d:69:41:26 txqueuelen 1000 (Ethernet)
RX packets 76 bytes 14899 (14.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 105 bytes 22817 (22.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@orin:~# ifconfig eth0 down
[ 253.459976] Trying to unregister non-registered hwtime source
root@orin:~# ifconfig eth0 mtu 1500
root@orin:~# ifconfig eth0 up
root@orin:~# ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1466
inet 192.168.5.95 netmask 255.255.255.0 broadcast 192.168.5.255
inet6 fe80::4ab0:2dff:fe69:4126 prefixlen 64 scopeid 0x20<link>
ether 48:b0:2d:69:41:26 txqueuelen 1000 (Ethernet)
RX packets 76 bytes 14899 (14.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 105 bytes 22817 (22.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@orin:~# ifconfig eth0 down
[ 463.366881] Trying to unregister non-registered hwtime source
root@orin:~# ifconfig eth0 mtu 1534
root@orin:~# ifconfig eth0 up
root@orin:~# ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.5.95 netmask 255.255.255.0 broadcast 192.168.5.255
inet6 fe80::4ab0:2dff:fe69:4126 prefixlen 64 scopeid 0x20<link>
ether 48:b0:2d:69:41:26 txqueuelen 1000 (Ethernet)
RX packets 155 bytes 30295 (30.2 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 190 bytes 54210 (54.2 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0