[ 4381.986581][T20531] gre: GRE over IPv4 demultiplexor driver
[ 4384.050579][T20555] ip_gre: GRE over IPv4 tunneling driver
[ 4445.417083][T21129] ip6_gre: GRE over IPv6 tunneling driver
[ 4487.900187][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4493.660091][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4498.587140][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4504.411118][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!