[ 4420.377074][T22437] gre: GRE over IPv4 demultiplexor driver
[ 4422.466664][T22464] ip_gre: GRE over IPv4 tunneling driver
[ 4482.278531][T23048] ip6_gre: GRE over IPv6 tunneling driver
[ 4524.423556][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4530.439456][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4535.303429][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4541.063444][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!