[ 1687.984900][T26806] gre: GRE over IPv4 demultiplexer driver
[ 1688.495743][T26829] ip_gre: GRE over IPv4 tunneling driver
[ 1704.457928][T27405] ip6_gre: GRE over IPv6 tunneling driver
[ 1715.020740][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1717.068719][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1718.924717][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1720.972719][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!