elizabeth@r2kt:~$ cat /proc/cpuinfo 
processor	: 0
hart		: 2
isa		: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb
mmu		: sv39
uarch		: sifive,u74-mc
mvendorid	: 0x489
marchid		: 0x8000000000000007
mimpid		: 0x4210427
hart isa	: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb

processor	: 1
hart		: 1
isa		: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb
mmu		: sv39
uarch		: sifive,u74-mc
mvendorid	: 0x489
marchid		: 0x8000000000000007
mimpid		: 0x4210427
hart isa	: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb

processor	: 2
hart		: 3
isa		: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb
mmu		: sv39
uarch		: sifive,u74-mc
mvendorid	: 0x489
marchid		: 0x8000000000000007
mimpid		: 0x4210427
hart isa	: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb

processor	: 3
hart		: 4
isa		: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb
mmu		: sv39
uarch		: sifive,u74-mc
mvendorid	: 0x489
marchid		: 0x8000000000000007
mimpid		: 0x4210427
hart isa	: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: end0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 6c:cf:39:00:6f:ae brd ff:ff:ff:ff:ff:ff
    inet 172.17.32.129/24 metric 100 brd 172.17.32.255 scope global dynamic end0
       valid_lft 3408sec preferred_lft 3408sec
    inet6 fe80::6ecf:39ff:fe00:6fae/64 scope link 
       valid_lft forever preferred_lft forever
3: end1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 6c:cf:39:00:6f:af brd ff:ff:ff:ff:ff:ff