[ 4439.030927][T22444] gre: GRE over IPv4 demultiplexor driver
[ 4441.141188][T22467] ip_gre: GRE over IPv4 tunneling driver
[ 4501.967488][T23047] ip6_gre: GRE over IPv6 tunneling driver
[ 4543.707405][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4549.531358][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4554.394351][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4560.346345][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!