[    0.000000] console [tty0] enabled
[    1.766097] 0000:00:16.3: ttyS4 at I/O 0x6050 (irq = 17) is a 16550A
[ 1719.411656] cdc_acm 3-1:1.0: ttyACM0: USB ACM device
[ 1728.713643] cdc_acm 2-1.3:1.0: ttyACM0: USB ACM device
[ 1739.454666] cdc_acm 2-1.3:1.0: ttyACM1: USB ACM device
[ 4261.751101] cdc_acm 2-1.3:1.0: ttyACM0: USB ACM device