[  506.791448] ipip: IPv4 and MPLS over IPv4 tunneling driver
[  515.546585] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  525.786588] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  536.026577] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  546.266582] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  617.946584] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  638.426571] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  740.834570] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  751.074581] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  761.314575] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  771.554570] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  781.794574] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  792.034599] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  812.514583] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  822.754569] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  832.994571] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  843.234584] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  863.714580] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  884.194573] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  894.434583] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  904.674585] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[  925.154562] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  935.394574] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  945.634569] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  955.874563] unregister_netdevice: waiting for lo to become free. Usage count = 3
[  966.114584] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1242.594563] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1252.834577] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1314.274569] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1334.754563] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1385.954582] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1406.434581] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1447.394559] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1478.114562] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1488.354572] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1498.594563] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1529.314571] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1560.034568] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1570.274565] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1580.514571] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1590.754573] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1600.994571] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1652.194577] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1662.434588] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1672.674600] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1682.914581] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1693.154578] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1703.394571] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1744.354595] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1785.314578] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1826.274587] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1836.514581] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1867.234571] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1877.474650] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1887.714564] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1897.954582] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1928.674571] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1938.914590] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1949.154569] unregister_netdevice: waiting for lo to become free. Usage count = 3
[ 1959.394569] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 1979.874649] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 2020.834565] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 2092.514577] unregister_netdevice: waiting for lo to become free. Usage count = 3
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[ 2297.314621] unregister_netdevice: waiting for lo to become free. Usage count = 3