root@vikas-VirtualBox:/home/vikas/flannel/flannel# docker network create --driver=flannel foo
Error response from daemon: Plugin not found
root@vikas-VirtualBox:/home/vikas/flannel/flannel# vim /var/run/flannel/subnet.env
root@vikas-VirtualBox:/home/vikas/flannel/flannel# docker -d --bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU}
Warning: '-d' is deprecated, it will be removed soon. See usage.
WARN[0000] please use 'docker daemon' instead.
WARN[0000] Running experimental build
INFO[0000] Listening for HTTP on unix (/var/run/docker.sock)
INFO[0000] [graphdriver] using prior storage driver "aufs"
INFO[0000] Option DefaultDriver: bridge
INFO[0000] Option DefaultNetwork: bridge
INFO[0000] Firewalld running: false
ERRO[0001] Error during graph storage driver.Cleanup(): device or resource busy
FATA[0001] Error starting daemon: Error initializing network controller: Error creating default "bridge" network: bridge IPv4 (172.17.42.1) does not match requested configuration 10.1.92.1
root@vikas-VirtualBox:/home/vikas/flannel/flannel# vim /var/run/flannel/subnet.env
root@vikas-VirtualBox:/home/vikas/flannel/flannel# netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         172.16.19.1     0.0.0.0         UG        0 0          0 eth0
10.1.0.0        0.0.0.0         255.255.0.0     U         0 0          0 flannel0
172.16.19.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
172.17.0.0      0.0.0.0         255.255.0.0     U         0 0          0 docker0
root@vikas-VirtualBox:/home/vikas/flannel/flannel# netstat -nr